diff --git a/Version.txt b/Version.txt
index 908855177e..6a4869c426 100644
--- a/Version.txt
+++ b/Version.txt
@@ -1,3 +1,3 @@
 OR_TOOLS_MAJOR=7
-OR_TOOLS_MINOR=7
+OR_TOOLS_MINOR=8
 #PRE_RELEASE=YES
diff --git a/examples/contrib/3_jugs_regular.csproj b/examples/contrib/3_jugs_regular.csproj
index 3dbdfdbdd7..3a02ce22bb 100644
--- a/examples/contrib/3_jugs_regular.csproj
+++ b/examples/contrib/3_jugs_regular.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="3_jugs_regular.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/SimpleProgramFSharp.fsproj b/examples/contrib/SimpleProgramFSharp.fsproj
index c7b6bfbf21..a660208ff8 100644
--- a/examples/contrib/SimpleProgramFSharp.fsproj
+++ b/examples/contrib/SimpleProgramFSharp.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleProgramFSharp.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/a_puzzle.csproj b/examples/contrib/a_puzzle.csproj
index ec327cad3a..445ac7e419 100644
--- a/examples/contrib/a_puzzle.csproj
+++ b/examples/contrib/a_puzzle.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="a_puzzle.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/a_round_of_golf.csproj b/examples/contrib/a_round_of_golf.csproj
index 2bedf5c5ae..f3128ad196 100644
--- a/examples/contrib/a_round_of_golf.csproj
+++ b/examples/contrib/a_round_of_golf.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="a_round_of_golf.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/all_interval.csproj b/examples/contrib/all_interval.csproj
index b0f360b7c5..52e2748577 100644
--- a/examples/contrib/all_interval.csproj
+++ b/examples/contrib/all_interval.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="all_interval.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/alldifferent_except_0.csproj b/examples/contrib/alldifferent_except_0.csproj
index 0c30c6523d..ea265813e4 100644
--- a/examples/contrib/alldifferent_except_0.csproj
+++ b/examples/contrib/alldifferent_except_0.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="alldifferent_except_0.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/assignment.csproj b/examples/contrib/assignment.csproj
index 0b3d6ed000..a97021bdfa 100644
--- a/examples/contrib/assignment.csproj
+++ b/examples/contrib/assignment.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="assignment.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/broken_weights.csproj b/examples/contrib/broken_weights.csproj
index 926299ac0f..7d029d83ce 100644
--- a/examples/contrib/broken_weights.csproj
+++ b/examples/contrib/broken_weights.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="broken_weights.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/bus_schedule.csproj b/examples/contrib/bus_schedule.csproj
index 048ec76c16..2b82a544c1 100644
--- a/examples/contrib/bus_schedule.csproj
+++ b/examples/contrib/bus_schedule.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="bus_schedule.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/circuit.csproj b/examples/contrib/circuit.csproj
index fce025f0ff..6ac25640cf 100644
--- a/examples/contrib/circuit.csproj
+++ b/examples/contrib/circuit.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="circuit.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/circuit2.csproj b/examples/contrib/circuit2.csproj
index aad72c7f88..6f6205ac7f 100644
--- a/examples/contrib/circuit2.csproj
+++ b/examples/contrib/circuit2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="circuit2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/coins3.csproj b/examples/contrib/coins3.csproj
index 5aad15ae1b..9e700adfeb 100644
--- a/examples/contrib/coins3.csproj
+++ b/examples/contrib/coins3.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="coins3.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/coins_grid.csproj b/examples/contrib/coins_grid.csproj
index 86e5f76ff8..7500b78def 100644
--- a/examples/contrib/coins_grid.csproj
+++ b/examples/contrib/coins_grid.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="coins_grid.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/combinatorial_auction2.csproj b/examples/contrib/combinatorial_auction2.csproj
index 9d146a28a7..44bf0614a1 100644
--- a/examples/contrib/combinatorial_auction2.csproj
+++ b/examples/contrib/combinatorial_auction2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="combinatorial_auction2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/contiguity_regular.csproj b/examples/contrib/contiguity_regular.csproj
index 1e6f4a00c6..fd467708c3 100644
--- a/examples/contrib/contiguity_regular.csproj
+++ b/examples/contrib/contiguity_regular.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="contiguity_regular.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/contiguity_transition.csproj b/examples/contrib/contiguity_transition.csproj
index d8d3e10375..b0af164fb1 100644
--- a/examples/contrib/contiguity_transition.csproj
+++ b/examples/contrib/contiguity_transition.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="contiguity_transition.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/costas_array.csproj b/examples/contrib/costas_array.csproj
index 04b9ff0690..377d10a74d 100644
--- a/examples/contrib/costas_array.csproj
+++ b/examples/contrib/costas_array.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="costas_array.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/covering_opl.csproj b/examples/contrib/covering_opl.csproj
index be1db6c94f..5d496e9a57 100644
--- a/examples/contrib/covering_opl.csproj
+++ b/examples/contrib/covering_opl.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="covering_opl.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/crew.csproj b/examples/contrib/crew.csproj
index e36b499662..edabdfe3e6 100644
--- a/examples/contrib/crew.csproj
+++ b/examples/contrib/crew.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="crew.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/crossword.csproj b/examples/contrib/crossword.csproj
index 31c6215088..4adcd06118 100644
--- a/examples/contrib/crossword.csproj
+++ b/examples/contrib/crossword.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="crossword.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/crypta.csproj b/examples/contrib/crypta.csproj
index 0975b585d8..d87d4a5ac5 100644
--- a/examples/contrib/crypta.csproj
+++ b/examples/contrib/crypta.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="crypta.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/crypto.csproj b/examples/contrib/crypto.csproj
index f421c92125..7fcfa802cc 100644
--- a/examples/contrib/crypto.csproj
+++ b/examples/contrib/crypto.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="crypto.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/csdiet.csproj b/examples/contrib/csdiet.csproj
index 37103bd24a..b430cc3c5f 100644
--- a/examples/contrib/csdiet.csproj
+++ b/examples/contrib/csdiet.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="csdiet.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/curious_set_of_integers.csproj b/examples/contrib/curious_set_of_integers.csproj
index 95ced2ada5..731e6fc946 100644
--- a/examples/contrib/curious_set_of_integers.csproj
+++ b/examples/contrib/curious_set_of_integers.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="curious_set_of_integers.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/debruijn.csproj b/examples/contrib/debruijn.csproj
index 8779efdcea..3dbe5843e4 100644
--- a/examples/contrib/debruijn.csproj
+++ b/examples/contrib/debruijn.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="debruijn.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/discrete_tomography.csproj b/examples/contrib/discrete_tomography.csproj
index 5a3a9bd8a5..0998bc044b 100644
--- a/examples/contrib/discrete_tomography.csproj
+++ b/examples/contrib/discrete_tomography.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="discrete_tomography.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/divisible_by_9_through_1.csproj b/examples/contrib/divisible_by_9_through_1.csproj
index a523fea799..85008fbafe 100644
--- a/examples/contrib/divisible_by_9_through_1.csproj
+++ b/examples/contrib/divisible_by_9_through_1.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="divisible_by_9_through_1.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/dudeney.csproj b/examples/contrib/dudeney.csproj
index 4c5301bedb..55c12582fa 100644
--- a/examples/contrib/dudeney.csproj
+++ b/examples/contrib/dudeney.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="dudeney.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/einav_puzzle2.csproj b/examples/contrib/einav_puzzle2.csproj
index c32e7e3f18..8ce88b7ad1 100644
--- a/examples/contrib/einav_puzzle2.csproj
+++ b/examples/contrib/einav_puzzle2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="einav_puzzle2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/eq10.csproj b/examples/contrib/eq10.csproj
index 0a343ab413..135134ec54 100644
--- a/examples/contrib/eq10.csproj
+++ b/examples/contrib/eq10.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="eq10.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/eq20.csproj b/examples/contrib/eq20.csproj
index 786cf07cba..e3b944ec8d 100644
--- a/examples/contrib/eq20.csproj
+++ b/examples/contrib/eq20.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="eq20.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fill_a_pix.csproj b/examples/contrib/fill_a_pix.csproj
index 173f8f192b..935b854b40 100644
--- a/examples/contrib/fill_a_pix.csproj
+++ b/examples/contrib/fill_a_pix.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fill_a_pix.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsProgram.fsproj b/examples/contrib/fsProgram.fsproj
index ef30e5a017..bf9b7aa462 100644
--- a/examples/contrib/fsProgram.fsproj
+++ b/examples/contrib/fsProgram.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsProgram.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsdiet.fsproj b/examples/contrib/fsdiet.fsproj
index a1571c2882..bc60a83f29 100644
--- a/examples/contrib/fsdiet.fsproj
+++ b/examples/contrib/fsdiet.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsdiet.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsequality-inequality.fsproj b/examples/contrib/fsequality-inequality.fsproj
index 8598a396c8..5a105125eb 100644
--- a/examples/contrib/fsequality-inequality.fsproj
+++ b/examples/contrib/fsequality-inequality.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsequality-inequality.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsequality.fsproj b/examples/contrib/fsequality.fsproj
index 4b63aed3ed..9a1ff33da4 100644
--- a/examples/contrib/fsequality.fsproj
+++ b/examples/contrib/fsequality.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsequality.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsinteger-linear-program.fsproj b/examples/contrib/fsinteger-linear-program.fsproj
index 2dcc947e67..da7716ed78 100644
--- a/examples/contrib/fsinteger-linear-program.fsproj
+++ b/examples/contrib/fsinteger-linear-program.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsinteger-linear-program.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsintegerprogramming.fsproj b/examples/contrib/fsintegerprogramming.fsproj
index 5233ea8f05..07de25deb2 100644
--- a/examples/contrib/fsintegerprogramming.fsproj
+++ b/examples/contrib/fsintegerprogramming.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsintegerprogramming.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsknapsack.fsproj b/examples/contrib/fsknapsack.fsproj
index d59fff5263..2deaaab9be 100644
--- a/examples/contrib/fsknapsack.fsproj
+++ b/examples/contrib/fsknapsack.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsknapsack.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fslinearprogramming.fsproj b/examples/contrib/fslinearprogramming.fsproj
index 67885489a3..8129a9fb10 100644
--- a/examples/contrib/fslinearprogramming.fsproj
+++ b/examples/contrib/fslinearprogramming.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fslinearprogramming.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj b/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj
index 346e04b025..9e47192247 100644
--- a/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj
+++ b/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsnetwork-max-flow-lpSolve.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsnetwork-max-flow.fsproj b/examples/contrib/fsnetwork-max-flow.fsproj
index 98024c948f..c709f2ba6c 100644
--- a/examples/contrib/fsnetwork-max-flow.fsproj
+++ b/examples/contrib/fsnetwork-max-flow.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsnetwork-max-flow.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsnetwork-min-cost-flow.fsproj b/examples/contrib/fsnetwork-min-cost-flow.fsproj
index 0cefb2a379..4fc444be50 100644
--- a/examples/contrib/fsnetwork-min-cost-flow.fsproj
+++ b/examples/contrib/fsnetwork-min-cost-flow.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsnetwork-min-cost-flow.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsrabbit-pheasant.fsproj b/examples/contrib/fsrabbit-pheasant.fsproj
index 6fc00a1bdd..739de2de77 100644
--- a/examples/contrib/fsrabbit-pheasant.fsproj
+++ b/examples/contrib/fsrabbit-pheasant.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsrabbit-pheasant.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsvolsay.fsproj b/examples/contrib/fsvolsay.fsproj
index f2b69bf1ea..5a5eb948c5 100644
--- a/examples/contrib/fsvolsay.fsproj
+++ b/examples/contrib/fsvolsay.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsvolsay.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsvolsay3-lpSolve.fsproj b/examples/contrib/fsvolsay3-lpSolve.fsproj
index 18f66fba30..57d64da421 100644
--- a/examples/contrib/fsvolsay3-lpSolve.fsproj
+++ b/examples/contrib/fsvolsay3-lpSolve.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsvolsay3-lpSolve.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsvolsay3.fsproj b/examples/contrib/fsvolsay3.fsproj
index 04416ffb02..42b79d0d87 100644
--- a/examples/contrib/fsvolsay3.fsproj
+++ b/examples/contrib/fsvolsay3.fsproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="fsvolsay3.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/furniture_moving.csproj b/examples/contrib/furniture_moving.csproj
index bbf04e8f37..e1e32e7563 100644
--- a/examples/contrib/furniture_moving.csproj
+++ b/examples/contrib/furniture_moving.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="furniture_moving.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/furniture_moving_intervals.csproj b/examples/contrib/furniture_moving_intervals.csproj
index cadd5cc5e4..52bf11477d 100644
--- a/examples/contrib/furniture_moving_intervals.csproj
+++ b/examples/contrib/furniture_moving_intervals.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="furniture_moving_intervals.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/futoshiki.csproj b/examples/contrib/futoshiki.csproj
index 487ba70ba3..efc5f28631 100644
--- a/examples/contrib/futoshiki.csproj
+++ b/examples/contrib/futoshiki.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="futoshiki.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/golomb_ruler.csproj b/examples/contrib/golomb_ruler.csproj
index dd36e32eb4..e050ba4dfd 100644
--- a/examples/contrib/golomb_ruler.csproj
+++ b/examples/contrib/golomb_ruler.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="golomb_ruler.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/grocery.csproj b/examples/contrib/grocery.csproj
index a276f396b3..a1d0ac307e 100644
--- a/examples/contrib/grocery.csproj
+++ b/examples/contrib/grocery.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="grocery.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/hidato_table.csproj b/examples/contrib/hidato_table.csproj
index 5f1a4c9c14..792d8809e5 100644
--- a/examples/contrib/hidato_table.csproj
+++ b/examples/contrib/hidato_table.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="hidato_table.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/just_forgotten.csproj b/examples/contrib/just_forgotten.csproj
index 8e95376641..67e6ee78cc 100644
--- a/examples/contrib/just_forgotten.csproj
+++ b/examples/contrib/just_forgotten.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="just_forgotten.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/kakuro.csproj b/examples/contrib/kakuro.csproj
index 4cc6d6b6b3..ca68e42cac 100644
--- a/examples/contrib/kakuro.csproj
+++ b/examples/contrib/kakuro.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="kakuro.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/kenken2.csproj b/examples/contrib/kenken2.csproj
index d2738af26e..b7669b505f 100644
--- a/examples/contrib/kenken2.csproj
+++ b/examples/contrib/kenken2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="kenken2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/killer_sudoku.csproj b/examples/contrib/killer_sudoku.csproj
index fb6fca9a18..19e4afe841 100644
--- a/examples/contrib/killer_sudoku.csproj
+++ b/examples/contrib/killer_sudoku.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="killer_sudoku.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/labeled_dice.csproj b/examples/contrib/labeled_dice.csproj
index e2a6d6d3b3..dc0e31788e 100644
--- a/examples/contrib/labeled_dice.csproj
+++ b/examples/contrib/labeled_dice.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="labeled_dice.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/langford.csproj b/examples/contrib/langford.csproj
index 51246d9aef..d53eec1051 100644
--- a/examples/contrib/langford.csproj
+++ b/examples/contrib/langford.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="langford.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/least_diff.csproj b/examples/contrib/least_diff.csproj
index 32e344a3b4..4b9154ae96 100644
--- a/examples/contrib/least_diff.csproj
+++ b/examples/contrib/least_diff.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="least_diff.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/lectures.csproj b/examples/contrib/lectures.csproj
index 819961a859..9dbb4eb7cc 100644
--- a/examples/contrib/lectures.csproj
+++ b/examples/contrib/lectures.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="lectures.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/magic_sequence.csproj b/examples/contrib/magic_sequence.csproj
index 5a77f90745..d3b6c674e2 100644
--- a/examples/contrib/magic_sequence.csproj
+++ b/examples/contrib/magic_sequence.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="magic_sequence.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/magic_square.csproj b/examples/contrib/magic_square.csproj
index 0df2d162e5..9f6ec8d494 100644
--- a/examples/contrib/magic_square.csproj
+++ b/examples/contrib/magic_square.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="magic_square.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/magic_square_and_cards.csproj b/examples/contrib/magic_square_and_cards.csproj
index 22079bf72d..05868e6650 100644
--- a/examples/contrib/magic_square_and_cards.csproj
+++ b/examples/contrib/magic_square_and_cards.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="magic_square_and_cards.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/map.csproj b/examples/contrib/map.csproj
index f1edd7b41c..585f42f7f5 100644
--- a/examples/contrib/map.csproj
+++ b/examples/contrib/map.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="map.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/map2.csproj b/examples/contrib/map2.csproj
index dbd7433c5b..e71883fea7 100644
--- a/examples/contrib/map2.csproj
+++ b/examples/contrib/map2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="map2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/marathon2.csproj b/examples/contrib/marathon2.csproj
index 94442779ab..eeff12b3bd 100644
--- a/examples/contrib/marathon2.csproj
+++ b/examples/contrib/marathon2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="marathon2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/max_flow_taha.csproj b/examples/contrib/max_flow_taha.csproj
index 87d5174e1f..523c67beee 100644
--- a/examples/contrib/max_flow_taha.csproj
+++ b/examples/contrib/max_flow_taha.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="max_flow_taha.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/max_flow_winston1.csproj b/examples/contrib/max_flow_winston1.csproj
index 47bf1585ed..60622ee5c7 100644
--- a/examples/contrib/max_flow_winston1.csproj
+++ b/examples/contrib/max_flow_winston1.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="max_flow_winston1.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/minesweeper.csproj b/examples/contrib/minesweeper.csproj
index 92951e71ce..e1edceafef 100644
--- a/examples/contrib/minesweeper.csproj
+++ b/examples/contrib/minesweeper.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="minesweeper.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/mr_smith.csproj b/examples/contrib/mr_smith.csproj
index f090a6ba31..d37f6b35f8 100644
--- a/examples/contrib/mr_smith.csproj
+++ b/examples/contrib/mr_smith.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="mr_smith.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/nontransitive_dice.csproj b/examples/contrib/nontransitive_dice.csproj
index b7c12eac0e..00efffc454 100644
--- a/examples/contrib/nontransitive_dice.csproj
+++ b/examples/contrib/nontransitive_dice.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="nontransitive_dice.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/nqueens.csproj b/examples/contrib/nqueens.csproj
index 40d3aeb219..09912c8bbd 100644
--- a/examples/contrib/nqueens.csproj
+++ b/examples/contrib/nqueens.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="nqueens.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/nurse_rostering_regular.csproj b/examples/contrib/nurse_rostering_regular.csproj
index 5009023f87..4cba6e51ea 100644
--- a/examples/contrib/nurse_rostering_regular.csproj
+++ b/examples/contrib/nurse_rostering_regular.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="nurse_rostering_regular.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/nurse_rostering_transition.csproj b/examples/contrib/nurse_rostering_transition.csproj
index 8e70783812..87d4279bc5 100644
--- a/examples/contrib/nurse_rostering_transition.csproj
+++ b/examples/contrib/nurse_rostering_transition.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="nurse_rostering_transition.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/olympic.csproj b/examples/contrib/olympic.csproj
index 48ef613421..3fc76894a3 100644
--- a/examples/contrib/olympic.csproj
+++ b/examples/contrib/olympic.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="olympic.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/organize_day.csproj b/examples/contrib/organize_day.csproj
index 9a0f2dfc86..cb43fb67f9 100644
--- a/examples/contrib/organize_day.csproj
+++ b/examples/contrib/organize_day.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="organize_day.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/organize_day_intervals.csproj b/examples/contrib/organize_day_intervals.csproj
index 1eee36d71e..5aee353bae 100644
--- a/examples/contrib/organize_day_intervals.csproj
+++ b/examples/contrib/organize_day_intervals.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="organize_day_intervals.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/p_median.csproj b/examples/contrib/p_median.csproj
index c125074cd7..44d0d5b6a4 100644
--- a/examples/contrib/p_median.csproj
+++ b/examples/contrib/p_median.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="p_median.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/pandigital_numbers.csproj b/examples/contrib/pandigital_numbers.csproj
index 0743ab6df7..693dcedf69 100644
--- a/examples/contrib/pandigital_numbers.csproj
+++ b/examples/contrib/pandigital_numbers.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="pandigital_numbers.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/partition.csproj b/examples/contrib/partition.csproj
index 29bed33313..5987cfe28e 100644
--- a/examples/contrib/partition.csproj
+++ b/examples/contrib/partition.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="partition.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/perfect_square_sequence.csproj b/examples/contrib/perfect_square_sequence.csproj
index e97f26b53b..b81cccd0c7 100644
--- a/examples/contrib/perfect_square_sequence.csproj
+++ b/examples/contrib/perfect_square_sequence.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="perfect_square_sequence.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/photo_problem.csproj b/examples/contrib/photo_problem.csproj
index e75c91cf19..c2040ed318 100644
--- a/examples/contrib/photo_problem.csproj
+++ b/examples/contrib/photo_problem.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="photo_problem.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/place_number_puzzle.csproj b/examples/contrib/place_number_puzzle.csproj
index 2983649ae3..e2d74d4b1e 100644
--- a/examples/contrib/place_number_puzzle.csproj
+++ b/examples/contrib/place_number_puzzle.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="place_number_puzzle.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/post_office_problem2.csproj b/examples/contrib/post_office_problem2.csproj
index f0aa10ec56..d526e1eeaa 100644
--- a/examples/contrib/post_office_problem2.csproj
+++ b/examples/contrib/post_office_problem2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="post_office_problem2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/quasigroup_completion.csproj b/examples/contrib/quasigroup_completion.csproj
index 7b83d31828..3328fc72b1 100644
--- a/examples/contrib/quasigroup_completion.csproj
+++ b/examples/contrib/quasigroup_completion.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="quasigroup_completion.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/regex.csproj b/examples/contrib/regex.csproj
index 00d5738fa8..e9506b1995 100644
--- a/examples/contrib/regex.csproj
+++ b/examples/contrib/regex.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="regex.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/rogo2.csproj b/examples/contrib/rogo2.csproj
index fffea5be54..7ef7fedea0 100644
--- a/examples/contrib/rogo2.csproj
+++ b/examples/contrib/rogo2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="rogo2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/scheduling_speakers.csproj b/examples/contrib/scheduling_speakers.csproj
index dddfd9d5cd..6c96be63f3 100644
--- a/examples/contrib/scheduling_speakers.csproj
+++ b/examples/contrib/scheduling_speakers.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="scheduling_speakers.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/secret_santa.csproj b/examples/contrib/secret_santa.csproj
index fcc3c41ad0..82a816f263 100644
--- a/examples/contrib/secret_santa.csproj
+++ b/examples/contrib/secret_santa.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="secret_santa.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/secret_santa2.csproj b/examples/contrib/secret_santa2.csproj
index 3db5a4c987..ee03c827ac 100644
--- a/examples/contrib/secret_santa2.csproj
+++ b/examples/contrib/secret_santa2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="secret_santa2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/send_more_money.csproj b/examples/contrib/send_more_money.csproj
index 4880ff75c8..77ae85e9fc 100644
--- a/examples/contrib/send_more_money.csproj
+++ b/examples/contrib/send_more_money.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="send_more_money.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/send_more_money2.csproj b/examples/contrib/send_more_money2.csproj
index 9b79cef444..ff7d77ae87 100644
--- a/examples/contrib/send_more_money2.csproj
+++ b/examples/contrib/send_more_money2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="send_more_money2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/send_most_money.csproj b/examples/contrib/send_most_money.csproj
index 0d46a45ec0..08d6dc7a85 100644
--- a/examples/contrib/send_most_money.csproj
+++ b/examples/contrib/send_most_money.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="send_most_money.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/seseman.csproj b/examples/contrib/seseman.csproj
index 6732513420..a20a19014f 100644
--- a/examples/contrib/seseman.csproj
+++ b/examples/contrib/seseman.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="seseman.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering.csproj b/examples/contrib/set_covering.csproj
index 244e668be8..02164c3fab 100644
--- a/examples/contrib/set_covering.csproj
+++ b/examples/contrib/set_covering.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering2.csproj b/examples/contrib/set_covering2.csproj
index e808d9d775..6abbb9283f 100644
--- a/examples/contrib/set_covering2.csproj
+++ b/examples/contrib/set_covering2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering3.csproj b/examples/contrib/set_covering3.csproj
index 973bacc65c..75da21613e 100644
--- a/examples/contrib/set_covering3.csproj
+++ b/examples/contrib/set_covering3.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering3.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering4.csproj b/examples/contrib/set_covering4.csproj
index 9f6d68a4b5..56d78b73d7 100644
--- a/examples/contrib/set_covering4.csproj
+++ b/examples/contrib/set_covering4.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering4.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering_deployment.csproj b/examples/contrib/set_covering_deployment.csproj
index a2b727369b..d3cfbeb784 100644
--- a/examples/contrib/set_covering_deployment.csproj
+++ b/examples/contrib/set_covering_deployment.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering_deployment.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering_skiena.csproj b/examples/contrib/set_covering_skiena.csproj
index 7064328eda..b23341fbc7 100644
--- a/examples/contrib/set_covering_skiena.csproj
+++ b/examples/contrib/set_covering_skiena.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering_skiena.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_partition.csproj b/examples/contrib/set_partition.csproj
index b23e773baf..2f066f4f90 100644
--- a/examples/contrib/set_partition.csproj
+++ b/examples/contrib/set_partition.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="set_partition.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/sicherman_dice.csproj b/examples/contrib/sicherman_dice.csproj
index 2cadabc359..90e1398c4e 100644
--- a/examples/contrib/sicherman_dice.csproj
+++ b/examples/contrib/sicherman_dice.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="sicherman_dice.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/ski_assignment.csproj b/examples/contrib/ski_assignment.csproj
index fb178f6155..2b65f3bf22 100644
--- a/examples/contrib/ski_assignment.csproj
+++ b/examples/contrib/ski_assignment.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="ski_assignment.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/stable_marriage.csproj b/examples/contrib/stable_marriage.csproj
index 0d329b9187..5fab20899e 100644
--- a/examples/contrib/stable_marriage.csproj
+++ b/examples/contrib/stable_marriage.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="stable_marriage.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/strimko2.csproj b/examples/contrib/strimko2.csproj
index fc74f9a985..e2b93f6222 100644
--- a/examples/contrib/strimko2.csproj
+++ b/examples/contrib/strimko2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="strimko2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/subset_sum.csproj b/examples/contrib/subset_sum.csproj
index 86775d22eb..f91d6df5e0 100644
--- a/examples/contrib/subset_sum.csproj
+++ b/examples/contrib/subset_sum.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="subset_sum.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/sudoku.csproj b/examples/contrib/sudoku.csproj
index a519a71f81..057aba4178 100644
--- a/examples/contrib/sudoku.csproj
+++ b/examples/contrib/sudoku.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="sudoku.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/survo_puzzle.csproj b/examples/contrib/survo_puzzle.csproj
index 1ae49385b9..d2aafb58d1 100644
--- a/examples/contrib/survo_puzzle.csproj
+++ b/examples/contrib/survo_puzzle.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="survo_puzzle.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/to_num.csproj b/examples/contrib/to_num.csproj
index 22f6c38ba7..853c8f42ab 100644
--- a/examples/contrib/to_num.csproj
+++ b/examples/contrib/to_num.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="to_num.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/traffic_lights.csproj b/examples/contrib/traffic_lights.csproj
index 48d50c0960..07c869824c 100644
--- a/examples/contrib/traffic_lights.csproj
+++ b/examples/contrib/traffic_lights.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="traffic_lights.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/volsay.csproj b/examples/contrib/volsay.csproj
index 8bc4ce8915..88efdb7ed5 100644
--- a/examples/contrib/volsay.csproj
+++ b/examples/contrib/volsay.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="volsay.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/volsay2.csproj b/examples/contrib/volsay2.csproj
index 363e11255f..74c2991db4 100644
--- a/examples/contrib/volsay2.csproj
+++ b/examples/contrib/volsay2.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="volsay2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/volsay3.csproj b/examples/contrib/volsay3.csproj
index 5d73ce5d70..1f72634fff 100644
--- a/examples/contrib/volsay3.csproj
+++ b/examples/contrib/volsay3.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="volsay3.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/wedding_optimal_chart.csproj b/examples/contrib/wedding_optimal_chart.csproj
index 07d1875e3c..6b08412b19 100644
--- a/examples/contrib/wedding_optimal_chart.csproj
+++ b/examples/contrib/wedding_optimal_chart.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="wedding_optimal_chart.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/who_killed_agatha.csproj b/examples/contrib/who_killed_agatha.csproj
index 1fd0fe2d74..421a5ee2f8 100644
--- a/examples/contrib/who_killed_agatha.csproj
+++ b/examples/contrib/who_killed_agatha.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="who_killed_agatha.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/word_square.csproj b/examples/contrib/word_square.csproj
index 9cb28bf10a..df0b43c968 100644
--- a/examples/contrib/word_square.csproj
+++ b/examples/contrib/word_square.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="word_square.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/xkcd.csproj b/examples/contrib/xkcd.csproj
index 1e1608c1b8..6368eb2d22 100644
--- a/examples/contrib/xkcd.csproj
+++ b/examples/contrib/xkcd.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="xkcd.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/young_tableaux.csproj b/examples/contrib/young_tableaux.csproj
index b5fd198de7..14db48fdd2 100644
--- a/examples/contrib/young_tableaux.csproj
+++ b/examples/contrib/young_tableaux.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="young_tableaux.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/zebra.csproj b/examples/contrib/zebra.csproj
index 6e68c96c6d..1235f11e23 100644
--- a/examples/contrib/zebra.csproj
+++ b/examples/contrib/zebra.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="zebra.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/BalanceGroupSat.csproj b/examples/dotnet/BalanceGroupSat.csproj
index 83d4ef3d15..285a12af77 100644
--- a/examples/dotnet/BalanceGroupSat.csproj
+++ b/examples/dotnet/BalanceGroupSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="BalanceGroupSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/GateSchedulingSat.csproj b/examples/dotnet/GateSchedulingSat.csproj
index fe4adfd7ed..902d390b6e 100644
--- a/examples/dotnet/GateSchedulingSat.csproj
+++ b/examples/dotnet/GateSchedulingSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="GateSchedulingSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/JobshopFt06Sat.csproj b/examples/dotnet/JobshopFt06Sat.csproj
index b8b448e043..c55a8f5966 100644
--- a/examples/dotnet/JobshopFt06Sat.csproj
+++ b/examples/dotnet/JobshopFt06Sat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="JobshopFt06Sat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/JobshopSat.csproj b/examples/dotnet/JobshopSat.csproj
index 2b480bcc3b..296844fec8 100644
--- a/examples/dotnet/JobshopSat.csproj
+++ b/examples/dotnet/JobshopSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="JobshopSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/NetworkRoutingSat.csproj b/examples/dotnet/NetworkRoutingSat.csproj
index a151978123..5a309c672e 100644
--- a/examples/dotnet/NetworkRoutingSat.csproj
+++ b/examples/dotnet/NetworkRoutingSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="NetworkRoutingSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/NursesSat.csproj b/examples/dotnet/NursesSat.csproj
index 26d5ac5ee5..c434412a13 100644
--- a/examples/dotnet/NursesSat.csproj
+++ b/examples/dotnet/NursesSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="NursesSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/ShiftSchedulingSat.csproj b/examples/dotnet/ShiftSchedulingSat.csproj
index 41d2895806..3108caff01 100644
--- a/examples/dotnet/ShiftSchedulingSat.csproj
+++ b/examples/dotnet/ShiftSchedulingSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="ShiftSchedulingSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/SpeakerSchedulingSat.csproj b/examples/dotnet/SpeakerSchedulingSat.csproj
index 79bb4e953a..bb2c9b883a 100644
--- a/examples/dotnet/SpeakerSchedulingSat.csproj
+++ b/examples/dotnet/SpeakerSchedulingSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SpeakerSchedulingSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/TaskSchedulingSat.csproj b/examples/dotnet/TaskSchedulingSat.csproj
index ec6b74a09d..6a7e49e5d7 100644
--- a/examples/dotnet/TaskSchedulingSat.csproj
+++ b/examples/dotnet/TaskSchedulingSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="TaskSchedulingSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/cscvrptw.csproj b/examples/dotnet/cscvrptw.csproj
index 042ed4dd63..80ace40d4f 100644
--- a/examples/dotnet/cscvrptw.csproj
+++ b/examples/dotnet/cscvrptw.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="cscvrptw.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/csflow.csproj b/examples/dotnet/csflow.csproj
index 93cc5fd30b..949b70559f 100644
--- a/examples/dotnet/csflow.csproj
+++ b/examples/dotnet/csflow.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="csflow.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/csintegerprogramming.csproj b/examples/dotnet/csintegerprogramming.csproj
index dbdee8b718..40e2b7d528 100644
--- a/examples/dotnet/csintegerprogramming.csproj
+++ b/examples/dotnet/csintegerprogramming.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="csintegerprogramming.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/csknapsack.csproj b/examples/dotnet/csknapsack.csproj
index 6b85877693..ce1aec9556 100644
--- a/examples/dotnet/csknapsack.csproj
+++ b/examples/dotnet/csknapsack.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="csknapsack.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/cslinearprogramming.csproj b/examples/dotnet/cslinearprogramming.csproj
index 485c4e5045..dc8f948ac0 100644
--- a/examples/dotnet/cslinearprogramming.csproj
+++ b/examples/dotnet/cslinearprogramming.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="cslinearprogramming.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/csls_api.csproj b/examples/dotnet/csls_api.csproj
index ab7d81b78d..e199e18f9f 100644
--- a/examples/dotnet/csls_api.csproj
+++ b/examples/dotnet/csls_api.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="csls_api.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/csrabbitspheasants.csproj b/examples/dotnet/csrabbitspheasants.csproj
index 1a71c42961..3deaae68ae 100644
--- a/examples/dotnet/csrabbitspheasants.csproj
+++ b/examples/dotnet/csrabbitspheasants.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="csrabbitspheasants.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/cstsp.csproj b/examples/dotnet/cstsp.csproj
index d17dd40fd2..3c3f955a7d 100644
--- a/examples/dotnet/cstsp.csproj
+++ b/examples/dotnet/cstsp.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="cstsp.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/ConstraintSolverTests.csproj b/examples/tests/ConstraintSolverTests.csproj
index 732194238b..9e9ccab79a 100644
--- a/examples/tests/ConstraintSolverTests.csproj
+++ b/examples/tests/ConstraintSolverTests.csproj
@@ -22,6 +22,6 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/LinearSolverTests.csproj b/examples/tests/LinearSolverTests.csproj
index 1d5e6cbed7..66eccf7f85 100644
--- a/examples/tests/LinearSolverTests.csproj
+++ b/examples/tests/LinearSolverTests.csproj
@@ -22,6 +22,6 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/RoutingSolverTests.csproj b/examples/tests/RoutingSolverTests.csproj
index c42e443bad..2da534be21 100644
--- a/examples/tests/RoutingSolverTests.csproj
+++ b/examples/tests/RoutingSolverTests.csproj
@@ -22,6 +22,6 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/SatSolverTests.csproj b/examples/tests/SatSolverTests.csproj
index 969b9cba57..333eba4fa2 100644
--- a/examples/tests/SatSolverTests.csproj
+++ b/examples/tests/SatSolverTests.csproj
@@ -22,6 +22,6 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/issue18.csproj b/examples/tests/issue18.csproj
index 57c496aa2a..0f7ff1f4e2 100644
--- a/examples/tests/issue18.csproj
+++ b/examples/tests/issue18.csproj
@@ -22,6 +22,6 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/issue22.csproj b/examples/tests/issue22.csproj
index dc1d0ba3fe..f0543ad19f 100644
--- a/examples/tests/issue22.csproj
+++ b/examples/tests/issue22.csproj
@@ -22,6 +22,6 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/issue33.csproj b/examples/tests/issue33.csproj
index 288f8300a8..317325217e 100644
--- a/examples/tests/issue33.csproj
+++ b/examples/tests/issue33.csproj
@@ -22,6 +22,6 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.7.0" />
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/algorithms/samples/Knapsack.csproj b/ortools/algorithms/samples/Knapsack.csproj
index a73242a35b..ff4059b8d2 100644
--- a/ortools/algorithms/samples/Knapsack.csproj
+++ b/ortools/algorithms/samples/Knapsack.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="Knapsack.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/SimpleCpProgram.csproj b/ortools/constraint_solver/samples/SimpleCpProgram.csproj
index c9bb58390a..bc43885817 100644
--- a/ortools/constraint_solver/samples/SimpleCpProgram.csproj
+++ b/ortools/constraint_solver/samples/SimpleCpProgram.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleCpProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj b/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
index 0df8291270..b7cf1436ea 100644
--- a/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
+++ b/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleRoutingProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/Tsp.csproj b/ortools/constraint_solver/samples/Tsp.csproj
index 784d2451cc..5772fb7511 100644
--- a/ortools/constraint_solver/samples/Tsp.csproj
+++ b/ortools/constraint_solver/samples/Tsp.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="Tsp.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/TspCircuitBoard.csproj b/ortools/constraint_solver/samples/TspCircuitBoard.csproj
index ba692b34c6..b21350a465 100644
--- a/ortools/constraint_solver/samples/TspCircuitBoard.csproj
+++ b/ortools/constraint_solver/samples/TspCircuitBoard.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="TspCircuitBoard.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/TspCities.csproj b/ortools/constraint_solver/samples/TspCities.csproj
index 0a2906de4b..e95034d719 100644
--- a/ortools/constraint_solver/samples/TspCities.csproj
+++ b/ortools/constraint_solver/samples/TspCities.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="TspCities.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/TspDistanceMatrix.csproj b/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
index 1768f4dc4d..c7b38cbef2 100644
--- a/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
+++ b/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="TspDistanceMatrix.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/Vrp.csproj b/ortools/constraint_solver/samples/Vrp.csproj
index faab8aaf7d..9ac6b47f1d 100644
--- a/ortools/constraint_solver/samples/Vrp.csproj
+++ b/ortools/constraint_solver/samples/Vrp.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="Vrp.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpCapacity.csproj b/ortools/constraint_solver/samples/VrpCapacity.csproj
index 3e63dd1418..ac8e57c12b 100644
--- a/ortools/constraint_solver/samples/VrpCapacity.csproj
+++ b/ortools/constraint_solver/samples/VrpCapacity.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="VrpCapacity.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpDropNodes.csproj b/ortools/constraint_solver/samples/VrpDropNodes.csproj
index 96eee4a406..6dbf2c314f 100644
--- a/ortools/constraint_solver/samples/VrpDropNodes.csproj
+++ b/ortools/constraint_solver/samples/VrpDropNodes.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="VrpDropNodes.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpGlobalSpan.csproj b/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
index 950115e3a1..874f1f51f2 100644
--- a/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
+++ b/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="VrpGlobalSpan.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpInitialRoutes.csproj b/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
index c64ada56c8..754a75d56b 100644
--- a/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
+++ b/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="VrpInitialRoutes.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpPickupDelivery.csproj b/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
index 7effde2880..974b436cb3 100644
--- a/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="VrpPickupDelivery.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj b/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
index e5a3fe3d55..d2ec8608d8 100644
--- a/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="VrpPickupDeliveryFifo.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj b/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
index 333133d3ed..43afae194b 100644
--- a/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="VrpPickupDeliveryLifo.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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 </Project>
diff --git a/ortools/constraint_solver/samples/VrpResources.csproj b/ortools/constraint_solver/samples/VrpResources.csproj
index 41b43f95c9..d1fd1802a8 100644
--- a/ortools/constraint_solver/samples/VrpResources.csproj
+++ b/ortools/constraint_solver/samples/VrpResources.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="VrpResources.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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 </Project>
diff --git a/ortools/constraint_solver/samples/VrpStartsEnds.csproj b/ortools/constraint_solver/samples/VrpStartsEnds.csproj
index 003230ea2c..09b914d751 100644
--- a/ortools/constraint_solver/samples/VrpStartsEnds.csproj
+++ b/ortools/constraint_solver/samples/VrpStartsEnds.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="VrpStartsEnds.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpTimeWindows.csproj b/ortools/constraint_solver/samples/VrpTimeWindows.csproj
index cadbe11121..4c010f1ce3 100644
--- a/ortools/constraint_solver/samples/VrpTimeWindows.csproj
+++ b/ortools/constraint_solver/samples/VrpTimeWindows.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="VrpTimeWindows.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj b/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
index 20590fc185..74b6bf83bf 100644
--- a/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
+++ b/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="VrpWithTimeLimit.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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 </Project>
diff --git a/ortools/graph/samples/SimpleMaxFlowProgram.csproj b/ortools/graph/samples/SimpleMaxFlowProgram.csproj
index b0c379c0a7..9adc70c2fc 100644
--- a/ortools/graph/samples/SimpleMaxFlowProgram.csproj
+++ b/ortools/graph/samples/SimpleMaxFlowProgram.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleMaxFlowProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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 </Project>
diff --git a/ortools/graph/samples/SimpleMinCostFlowProgram.csproj b/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
index 640a64854a..5cba745f25 100644
--- a/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
+++ b/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleMinCostFlowProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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 </Project>
diff --git a/ortools/linear_solver/samples/AssignmentMip.csproj b/ortools/linear_solver/samples/AssignmentMip.csproj
index 1413a8fe3d..cda92658f6 100644
--- a/ortools/linear_solver/samples/AssignmentMip.csproj
+++ b/ortools/linear_solver/samples/AssignmentMip.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="AssignmentMip.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/linear_solver/samples/BinPackingMip.csproj b/ortools/linear_solver/samples/BinPackingMip.csproj
index 88d43461d5..8c015ca88d 100644
--- a/ortools/linear_solver/samples/BinPackingMip.csproj
+++ b/ortools/linear_solver/samples/BinPackingMip.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="BinPackingMip.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/linear_solver/samples/LinearProgrammingExample.csproj b/ortools/linear_solver/samples/LinearProgrammingExample.csproj
index 824bd6f7c7..9e70db1f46 100644
--- a/ortools/linear_solver/samples/LinearProgrammingExample.csproj
+++ b/ortools/linear_solver/samples/LinearProgrammingExample.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="LinearProgrammingExample.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/linear_solver/samples/MipVarArray.csproj b/ortools/linear_solver/samples/MipVarArray.csproj
index 39c28bb46f..073560400e 100644
--- a/ortools/linear_solver/samples/MipVarArray.csproj
+++ b/ortools/linear_solver/samples/MipVarArray.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="MipVarArray.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/linear_solver/samples/MultipleKnapsackMip.csproj b/ortools/linear_solver/samples/MultipleKnapsackMip.csproj
index 4a01b6f665..5a34ffe2ac 100644
--- a/ortools/linear_solver/samples/MultipleKnapsackMip.csproj
+++ b/ortools/linear_solver/samples/MultipleKnapsackMip.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="MultipleKnapsackMip.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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 </Project>
diff --git a/ortools/linear_solver/samples/SimpleLpProgram.csproj b/ortools/linear_solver/samples/SimpleLpProgram.csproj
index 475dcc295b..fc94e75bfc 100644
--- a/ortools/linear_solver/samples/SimpleLpProgram.csproj
+++ b/ortools/linear_solver/samples/SimpleLpProgram.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleLpProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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 </Project>
diff --git a/ortools/linear_solver/samples/SimpleMipProgram.csproj b/ortools/linear_solver/samples/SimpleMipProgram.csproj
index ea930781cc..a7f471f3d2 100644
--- a/ortools/linear_solver/samples/SimpleMipProgram.csproj
+++ b/ortools/linear_solver/samples/SimpleMipProgram.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleMipProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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 </Project>
diff --git a/ortools/sat/samples/AssignmentSat.csproj b/ortools/sat/samples/AssignmentSat.csproj
index c4163673ab..f861a3a53d 100644
--- a/ortools/sat/samples/AssignmentSat.csproj
+++ b/ortools/sat/samples/AssignmentSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="AssignmentSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
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 </Project>
diff --git a/ortools/sat/samples/BinPackingProblemSat.csproj b/ortools/sat/samples/BinPackingProblemSat.csproj
index b1f55382d8..3945d9196b 100644
--- a/ortools/sat/samples/BinPackingProblemSat.csproj
+++ b/ortools/sat/samples/BinPackingProblemSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="BinPackingProblemSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/BoolOrSampleSat.csproj b/ortools/sat/samples/BoolOrSampleSat.csproj
index a56e120046..c49ecea111 100644
--- a/ortools/sat/samples/BoolOrSampleSat.csproj
+++ b/ortools/sat/samples/BoolOrSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="BoolOrSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
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 </Project>
diff --git a/ortools/sat/samples/ChannelingSampleSat.csproj b/ortools/sat/samples/ChannelingSampleSat.csproj
index fd63855d6d..c1342115be 100644
--- a/ortools/sat/samples/ChannelingSampleSat.csproj
+++ b/ortools/sat/samples/ChannelingSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="ChannelingSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/CpIsFunSat.csproj b/ortools/sat/samples/CpIsFunSat.csproj
index 130993c4f2..02d74f6b2b 100644
--- a/ortools/sat/samples/CpIsFunSat.csproj
+++ b/ortools/sat/samples/CpIsFunSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="CpIsFunSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
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 </Project>
diff --git a/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj b/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
index 1513e1cdcb..c181eb6fca 100644
--- a/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
+++ b/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="EarlinessTardinessCostSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/IntervalSampleSat.csproj b/ortools/sat/samples/IntervalSampleSat.csproj
index 50760d6885..a3c393754a 100644
--- a/ortools/sat/samples/IntervalSampleSat.csproj
+++ b/ortools/sat/samples/IntervalSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="IntervalSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
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   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/LiteralSampleSat.csproj b/ortools/sat/samples/LiteralSampleSat.csproj
index 761a399ca0..60e4378e17 100644
--- a/ortools/sat/samples/LiteralSampleSat.csproj
+++ b/ortools/sat/samples/LiteralSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="LiteralSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
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 </Project>
diff --git a/ortools/sat/samples/NoOverlapSampleSat.csproj b/ortools/sat/samples/NoOverlapSampleSat.csproj
index 7ddc1c55b2..90fb779cb0 100644
--- a/ortools/sat/samples/NoOverlapSampleSat.csproj
+++ b/ortools/sat/samples/NoOverlapSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="NoOverlapSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/OptionalIntervalSampleSat.csproj b/ortools/sat/samples/OptionalIntervalSampleSat.csproj
index fb39516c23..3c7b699f4d 100644
--- a/ortools/sat/samples/OptionalIntervalSampleSat.csproj
+++ b/ortools/sat/samples/OptionalIntervalSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="OptionalIntervalSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/RabbitsAndPheasantsSat.csproj b/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
index 880778ce05..10265a320c 100644
--- a/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
+++ b/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="RabbitsAndPheasantsSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/RankingSampleSat.csproj b/ortools/sat/samples/RankingSampleSat.csproj
index 599872095d..cf38a65b32 100644
--- a/ortools/sat/samples/RankingSampleSat.csproj
+++ b/ortools/sat/samples/RankingSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="RankingSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/ReifiedSampleSat.csproj b/ortools/sat/samples/ReifiedSampleSat.csproj
index 02373c7b5b..d6b4e1ef84 100644
--- a/ortools/sat/samples/ReifiedSampleSat.csproj
+++ b/ortools/sat/samples/ReifiedSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="ReifiedSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj b/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
index 3bd275c04a..ded7b3efef 100644
--- a/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SearchForAllSolutionsSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/SimpleSatProgram.csproj b/ortools/sat/samples/SimpleSatProgram.csproj
index 013e3a6b48..34606c2047 100644
--- a/ortools/sat/samples/SimpleSatProgram.csproj
+++ b/ortools/sat/samples/SimpleSatProgram.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleSatProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/SolutionHintingSampleSat.csproj b/ortools/sat/samples/SolutionHintingSampleSat.csproj
index 64c7e384ee..e75cf8e969 100644
--- a/ortools/sat/samples/SolutionHintingSampleSat.csproj
+++ b/ortools/sat/samples/SolutionHintingSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SolutionHintingSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj b/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
index 9d21bb9860..b0641b76c9 100644
--- a/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SolveAndPrintIntermediateSolutionsSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj b/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
index 56020704ef..4fb08f4d73 100644
--- a/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
+++ b/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="SolveWithTimeLimitSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/StepFunctionSampleSat.csproj b/ortools/sat/samples/StepFunctionSampleSat.csproj
index ca7c11b93d..b9217f245e 100644
--- a/ortools/sat/samples/StepFunctionSampleSat.csproj
+++ b/ortools/sat/samples/StepFunctionSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="StepFunctionSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj b/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
index d82de217b9..f8e3b07afe 100644
--- a/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
@@ -19,6 +19,6 @@
 
   <ItemGroup>
     <Compile Include="StopAfterNSolutionsSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.7.*" />
+    <PackageReference Include="Google.OrTools" Version="7.8.*" />
   </ItemGroup>
 </Project>