diff --git a/Version.txt b/Version.txt
index 6e1090ccdf..2228f654b8 100644
--- a/Version.txt
+++ b/Version.txt
@@ -1,3 +1,3 @@
 OR_TOOLS_MAJOR=7
-OR_TOOLS_MINOR=0
+OR_TOOLS_MINOR=1
 #PRE_RELEASE=YES
diff --git a/examples/contrib/3_jugs_regular.csproj b/examples/contrib/3_jugs_regular.csproj
index 145c308eea..5527447d54 100644
--- a/examples/contrib/3_jugs_regular.csproj
+++ b/examples/contrib/3_jugs_regular.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="3_jugs_regular.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/SimpleProgramFSharp.fsproj b/examples/contrib/SimpleProgramFSharp.fsproj
index d76e7a073d..2e3b0e90c7 100644
--- a/examples/contrib/SimpleProgramFSharp.fsproj
+++ b/examples/contrib/SimpleProgramFSharp.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleProgramFSharp.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/a_puzzle.csproj b/examples/contrib/a_puzzle.csproj
index a375c1c8ba..19746292b4 100644
--- a/examples/contrib/a_puzzle.csproj
+++ b/examples/contrib/a_puzzle.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="a_puzzle.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/a_round_of_golf.csproj b/examples/contrib/a_round_of_golf.csproj
index bbb10b3bc2..988933ab92 100644
--- a/examples/contrib/a_round_of_golf.csproj
+++ b/examples/contrib/a_round_of_golf.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="a_round_of_golf.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/all_interval.csproj b/examples/contrib/all_interval.csproj
index 8588d3081d..0c74e31b41 100644
--- a/examples/contrib/all_interval.csproj
+++ b/examples/contrib/all_interval.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="all_interval.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/alldifferent_except_0.csproj b/examples/contrib/alldifferent_except_0.csproj
index d9b0080e71..b245f05638 100644
--- a/examples/contrib/alldifferent_except_0.csproj
+++ b/examples/contrib/alldifferent_except_0.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="alldifferent_except_0.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/assignment.csproj b/examples/contrib/assignment.csproj
index 2085304797..744cddd15b 100644
--- a/examples/contrib/assignment.csproj
+++ b/examples/contrib/assignment.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="assignment.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/broken_weights.csproj b/examples/contrib/broken_weights.csproj
index 79ecb6fc64..2130eb1fdc 100644
--- a/examples/contrib/broken_weights.csproj
+++ b/examples/contrib/broken_weights.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="broken_weights.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/bus_schedule.csproj b/examples/contrib/bus_schedule.csproj
index d6a669e64d..73471d6bdd 100644
--- a/examples/contrib/bus_schedule.csproj
+++ b/examples/contrib/bus_schedule.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="bus_schedule.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/circuit.csproj b/examples/contrib/circuit.csproj
index 12e6813685..255c8f7679 100644
--- a/examples/contrib/circuit.csproj
+++ b/examples/contrib/circuit.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="circuit.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/circuit2.csproj b/examples/contrib/circuit2.csproj
index bd88f0ff0c..cc1858e6a5 100644
--- a/examples/contrib/circuit2.csproj
+++ b/examples/contrib/circuit2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="circuit2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/coins3.csproj b/examples/contrib/coins3.csproj
index 015878b32e..1065815410 100644
--- a/examples/contrib/coins3.csproj
+++ b/examples/contrib/coins3.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="coins3.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/coins_grid.csproj b/examples/contrib/coins_grid.csproj
index b2047feeed..c2bf320fa4 100644
--- a/examples/contrib/coins_grid.csproj
+++ b/examples/contrib/coins_grid.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="coins_grid.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/combinatorial_auction2.csproj b/examples/contrib/combinatorial_auction2.csproj
index c1eebc0bb9..3d3d5ffb4d 100644
--- a/examples/contrib/combinatorial_auction2.csproj
+++ b/examples/contrib/combinatorial_auction2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="combinatorial_auction2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/contiguity_regular.csproj b/examples/contrib/contiguity_regular.csproj
index 17f02a8365..5abdc86e7e 100644
--- a/examples/contrib/contiguity_regular.csproj
+++ b/examples/contrib/contiguity_regular.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="contiguity_regular.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/contiguity_transition.csproj b/examples/contrib/contiguity_transition.csproj
index 9214a941df..f32236c4b1 100644
--- a/examples/contrib/contiguity_transition.csproj
+++ b/examples/contrib/contiguity_transition.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="contiguity_transition.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/costas_array.csproj b/examples/contrib/costas_array.csproj
index 65b19ab487..f114c2a51f 100644
--- a/examples/contrib/costas_array.csproj
+++ b/examples/contrib/costas_array.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="costas_array.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/covering_opl.csproj b/examples/contrib/covering_opl.csproj
index 38eeb2afa0..77a2b2fca8 100644
--- a/examples/contrib/covering_opl.csproj
+++ b/examples/contrib/covering_opl.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="covering_opl.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/crew.csproj b/examples/contrib/crew.csproj
index df1c6d070f..1507491b8d 100644
--- a/examples/contrib/crew.csproj
+++ b/examples/contrib/crew.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="crew.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/crossword.csproj b/examples/contrib/crossword.csproj
index bff7ad7014..ea8cc030a6 100644
--- a/examples/contrib/crossword.csproj
+++ b/examples/contrib/crossword.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="crossword.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/crypta.csproj b/examples/contrib/crypta.csproj
index ee41082f14..4de7660551 100644
--- a/examples/contrib/crypta.csproj
+++ b/examples/contrib/crypta.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="crypta.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/crypto.csproj b/examples/contrib/crypto.csproj
index 5d9a68434d..0b2200ebbd 100644
--- a/examples/contrib/crypto.csproj
+++ b/examples/contrib/crypto.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="crypto.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/csdiet.csproj b/examples/contrib/csdiet.csproj
index 3b995e0f4b..23a9bf63a8 100644
--- a/examples/contrib/csdiet.csproj
+++ b/examples/contrib/csdiet.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="csdiet.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/curious_set_of_integers.csproj b/examples/contrib/curious_set_of_integers.csproj
index b64b1863e8..f34a714b56 100644
--- a/examples/contrib/curious_set_of_integers.csproj
+++ b/examples/contrib/curious_set_of_integers.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="curious_set_of_integers.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/debruijn.csproj b/examples/contrib/debruijn.csproj
index b04290ff99..0eb01cdd60 100644
--- a/examples/contrib/debruijn.csproj
+++ b/examples/contrib/debruijn.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="debruijn.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/discrete_tomography.csproj b/examples/contrib/discrete_tomography.csproj
index e66c7259bf..4266faddb8 100644
--- a/examples/contrib/discrete_tomography.csproj
+++ b/examples/contrib/discrete_tomography.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="discrete_tomography.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/divisible_by_9_through_1.csproj b/examples/contrib/divisible_by_9_through_1.csproj
index fbf5a98a8f..6dd7511efb 100644
--- a/examples/contrib/divisible_by_9_through_1.csproj
+++ b/examples/contrib/divisible_by_9_through_1.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="divisible_by_9_through_1.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/dudeney.csproj b/examples/contrib/dudeney.csproj
index 49e923c657..34d3d25944 100644
--- a/examples/contrib/dudeney.csproj
+++ b/examples/contrib/dudeney.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="dudeney.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/einav_puzzle2.csproj b/examples/contrib/einav_puzzle2.csproj
index c20b84aef1..576b9b50d7 100644
--- a/examples/contrib/einav_puzzle2.csproj
+++ b/examples/contrib/einav_puzzle2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="einav_puzzle2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/eq10.csproj b/examples/contrib/eq10.csproj
index b151713609..cf25e53b0a 100644
--- a/examples/contrib/eq10.csproj
+++ b/examples/contrib/eq10.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="eq10.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/eq20.csproj b/examples/contrib/eq20.csproj
index 14c9d0bec3..a239271093 100644
--- a/examples/contrib/eq20.csproj
+++ b/examples/contrib/eq20.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="eq20.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fill_a_pix.csproj b/examples/contrib/fill_a_pix.csproj
index 3e768c04ab..a7184f736e 100644
--- a/examples/contrib/fill_a_pix.csproj
+++ b/examples/contrib/fill_a_pix.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fill_a_pix.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsProgram.fsproj b/examples/contrib/fsProgram.fsproj
index e19197dae8..a61910f8b4 100644
--- a/examples/contrib/fsProgram.fsproj
+++ b/examples/contrib/fsProgram.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsProgram.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsdiet.fsproj b/examples/contrib/fsdiet.fsproj
index c28e56f56d..8bb0bb9db8 100644
--- a/examples/contrib/fsdiet.fsproj
+++ b/examples/contrib/fsdiet.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsdiet.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsequality-inequality.fsproj b/examples/contrib/fsequality-inequality.fsproj
index 3940dfd6a8..d9e965c80c 100644
--- a/examples/contrib/fsequality-inequality.fsproj
+++ b/examples/contrib/fsequality-inequality.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsequality-inequality.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsequality.fsproj b/examples/contrib/fsequality.fsproj
index e78ee67055..f6169a1ecd 100644
--- a/examples/contrib/fsequality.fsproj
+++ b/examples/contrib/fsequality.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsequality.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsinteger-linear-program.fsproj b/examples/contrib/fsinteger-linear-program.fsproj
index 39a825f9d7..9a8ba5b7d9 100644
--- a/examples/contrib/fsinteger-linear-program.fsproj
+++ b/examples/contrib/fsinteger-linear-program.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsinteger-linear-program.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsintegerprogramming.fsproj b/examples/contrib/fsintegerprogramming.fsproj
index d53d8d2b06..6585ede59e 100644
--- a/examples/contrib/fsintegerprogramming.fsproj
+++ b/examples/contrib/fsintegerprogramming.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsintegerprogramming.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsknapsack.fsproj b/examples/contrib/fsknapsack.fsproj
index c788d798bc..e97b33bb5a 100644
--- a/examples/contrib/fsknapsack.fsproj
+++ b/examples/contrib/fsknapsack.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsknapsack.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fslinearprogramming.fsproj b/examples/contrib/fslinearprogramming.fsproj
index 4ebcb1e7b0..a3bfc4051a 100644
--- a/examples/contrib/fslinearprogramming.fsproj
+++ b/examples/contrib/fslinearprogramming.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fslinearprogramming.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj b/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj
index 24f2f7d90f..2255d034ea 100644
--- a/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj
+++ b/examples/contrib/fsnetwork-max-flow-lpSolve.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsnetwork-max-flow-lpSolve.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsnetwork-max-flow.fsproj b/examples/contrib/fsnetwork-max-flow.fsproj
index 694a6f001f..8843b2a805 100644
--- a/examples/contrib/fsnetwork-max-flow.fsproj
+++ b/examples/contrib/fsnetwork-max-flow.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsnetwork-max-flow.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsnetwork-min-cost-flow.fsproj b/examples/contrib/fsnetwork-min-cost-flow.fsproj
index 53e085b046..d69283fb68 100644
--- a/examples/contrib/fsnetwork-min-cost-flow.fsproj
+++ b/examples/contrib/fsnetwork-min-cost-flow.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsnetwork-min-cost-flow.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsrabbit-pheasant.fsproj b/examples/contrib/fsrabbit-pheasant.fsproj
index fc0798e1b2..e86a6bb0c4 100644
--- a/examples/contrib/fsrabbit-pheasant.fsproj
+++ b/examples/contrib/fsrabbit-pheasant.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsrabbit-pheasant.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsvolsay.fsproj b/examples/contrib/fsvolsay.fsproj
index 934212d6a0..643a7bd383 100644
--- a/examples/contrib/fsvolsay.fsproj
+++ b/examples/contrib/fsvolsay.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsvolsay.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsvolsay3-lpSolve.fsproj b/examples/contrib/fsvolsay3-lpSolve.fsproj
index 1807b00ef7..16d37d91ba 100644
--- a/examples/contrib/fsvolsay3-lpSolve.fsproj
+++ b/examples/contrib/fsvolsay3-lpSolve.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsvolsay3-lpSolve.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/fsvolsay3.fsproj b/examples/contrib/fsvolsay3.fsproj
index 5885683c72..82f448b3a5 100644
--- a/examples/contrib/fsvolsay3.fsproj
+++ b/examples/contrib/fsvolsay3.fsproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="fsvolsay3.fs" />
-    <PackageReference Include="Google.OrTools.FSharp" Version="7.0*" />
+    <PackageReference Include="Google.OrTools.FSharp" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/furniture_moving.csproj b/examples/contrib/furniture_moving.csproj
index b0cbf4962a..efc4a3aea1 100644
--- a/examples/contrib/furniture_moving.csproj
+++ b/examples/contrib/furniture_moving.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="furniture_moving.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/furniture_moving_intervals.csproj b/examples/contrib/furniture_moving_intervals.csproj
index dda369e552..999d7701f9 100644
--- a/examples/contrib/furniture_moving_intervals.csproj
+++ b/examples/contrib/furniture_moving_intervals.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="furniture_moving_intervals.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/futoshiki.csproj b/examples/contrib/futoshiki.csproj
index 8f642211b8..d45956161b 100644
--- a/examples/contrib/futoshiki.csproj
+++ b/examples/contrib/futoshiki.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="futoshiki.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/golomb_ruler.csproj b/examples/contrib/golomb_ruler.csproj
index d19728e1c8..1ae6a63a2f 100644
--- a/examples/contrib/golomb_ruler.csproj
+++ b/examples/contrib/golomb_ruler.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="golomb_ruler.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/grocery.csproj b/examples/contrib/grocery.csproj
index 5e669983d5..903a08aa78 100644
--- a/examples/contrib/grocery.csproj
+++ b/examples/contrib/grocery.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="grocery.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/hidato_table.csproj b/examples/contrib/hidato_table.csproj
index c8f848c303..6d33f07b57 100644
--- a/examples/contrib/hidato_table.csproj
+++ b/examples/contrib/hidato_table.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="hidato_table.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/just_forgotten.csproj b/examples/contrib/just_forgotten.csproj
index e9e7530753..5d10e9eb2a 100644
--- a/examples/contrib/just_forgotten.csproj
+++ b/examples/contrib/just_forgotten.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="just_forgotten.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/kakuro.csproj b/examples/contrib/kakuro.csproj
index 64828d4611..82225bccd9 100644
--- a/examples/contrib/kakuro.csproj
+++ b/examples/contrib/kakuro.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="kakuro.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/kenken2.csproj b/examples/contrib/kenken2.csproj
index b37e338632..c1eea6dba8 100644
--- a/examples/contrib/kenken2.csproj
+++ b/examples/contrib/kenken2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="kenken2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/killer_sudoku.csproj b/examples/contrib/killer_sudoku.csproj
index 7c407143c4..a052036344 100644
--- a/examples/contrib/killer_sudoku.csproj
+++ b/examples/contrib/killer_sudoku.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="killer_sudoku.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/labeled_dice.csproj b/examples/contrib/labeled_dice.csproj
index 88e9f8f65f..a6b952847c 100644
--- a/examples/contrib/labeled_dice.csproj
+++ b/examples/contrib/labeled_dice.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="labeled_dice.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/langford.csproj b/examples/contrib/langford.csproj
index b06fa232d0..be95f64b7c 100644
--- a/examples/contrib/langford.csproj
+++ b/examples/contrib/langford.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="langford.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/least_diff.csproj b/examples/contrib/least_diff.csproj
index 8b5ac0c4ae..c37336a6f9 100644
--- a/examples/contrib/least_diff.csproj
+++ b/examples/contrib/least_diff.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="least_diff.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/lectures.csproj b/examples/contrib/lectures.csproj
index a7eaf29bdb..7fb28e2b3c 100644
--- a/examples/contrib/lectures.csproj
+++ b/examples/contrib/lectures.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="lectures.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/magic_sequence.csproj b/examples/contrib/magic_sequence.csproj
index d4368889d0..94fce3ec56 100644
--- a/examples/contrib/magic_sequence.csproj
+++ b/examples/contrib/magic_sequence.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="magic_sequence.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/magic_square.csproj b/examples/contrib/magic_square.csproj
index 866e8115b3..6315651f06 100644
--- a/examples/contrib/magic_square.csproj
+++ b/examples/contrib/magic_square.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="magic_square.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/magic_square_and_cards.csproj b/examples/contrib/magic_square_and_cards.csproj
index 70c181a0a3..bca6e134b4 100644
--- a/examples/contrib/magic_square_and_cards.csproj
+++ b/examples/contrib/magic_square_and_cards.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="magic_square_and_cards.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/map.csproj b/examples/contrib/map.csproj
index 7a5eebed1c..a64933221f 100644
--- a/examples/contrib/map.csproj
+++ b/examples/contrib/map.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="map.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/map2.csproj b/examples/contrib/map2.csproj
index e021be5c61..3d35fdb74a 100644
--- a/examples/contrib/map2.csproj
+++ b/examples/contrib/map2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="map2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/marathon2.csproj b/examples/contrib/marathon2.csproj
index 33941c6cb6..ac90221d40 100644
--- a/examples/contrib/marathon2.csproj
+++ b/examples/contrib/marathon2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="marathon2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/max_flow_taha.csproj b/examples/contrib/max_flow_taha.csproj
index df54a5619a..dbfea19436 100644
--- a/examples/contrib/max_flow_taha.csproj
+++ b/examples/contrib/max_flow_taha.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="max_flow_taha.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/max_flow_winston1.csproj b/examples/contrib/max_flow_winston1.csproj
index 8447fa8571..7684f6707a 100644
--- a/examples/contrib/max_flow_winston1.csproj
+++ b/examples/contrib/max_flow_winston1.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="max_flow_winston1.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/minesweeper.csproj b/examples/contrib/minesweeper.csproj
index 099603a410..b2188ce9c0 100644
--- a/examples/contrib/minesweeper.csproj
+++ b/examples/contrib/minesweeper.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="minesweeper.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/mr_smith.csproj b/examples/contrib/mr_smith.csproj
index 1eee2923c9..64f324b8ee 100644
--- a/examples/contrib/mr_smith.csproj
+++ b/examples/contrib/mr_smith.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="mr_smith.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/nontransitive_dice.csproj b/examples/contrib/nontransitive_dice.csproj
index 7c4ad17525..6eb321ab8f 100644
--- a/examples/contrib/nontransitive_dice.csproj
+++ b/examples/contrib/nontransitive_dice.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="nontransitive_dice.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/nqueens.csproj b/examples/contrib/nqueens.csproj
index 701d5581f5..b23e0e4126 100644
--- a/examples/contrib/nqueens.csproj
+++ b/examples/contrib/nqueens.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="nqueens.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/nurse_rostering_regular.csproj b/examples/contrib/nurse_rostering_regular.csproj
index f271ef7d00..be5dd2ee67 100644
--- a/examples/contrib/nurse_rostering_regular.csproj
+++ b/examples/contrib/nurse_rostering_regular.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="nurse_rostering_regular.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/nurse_rostering_transition.csproj b/examples/contrib/nurse_rostering_transition.csproj
index a359c5aa3c..90796b185c 100644
--- a/examples/contrib/nurse_rostering_transition.csproj
+++ b/examples/contrib/nurse_rostering_transition.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="nurse_rostering_transition.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/olympic.csproj b/examples/contrib/olympic.csproj
index cca2b6885b..b44db56f95 100644
--- a/examples/contrib/olympic.csproj
+++ b/examples/contrib/olympic.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="olympic.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/organize_day.csproj b/examples/contrib/organize_day.csproj
index ffe4746396..6625b0438b 100644
--- a/examples/contrib/organize_day.csproj
+++ b/examples/contrib/organize_day.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="organize_day.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/organize_day_intervals.csproj b/examples/contrib/organize_day_intervals.csproj
index 6e16e3f9e6..95b7047402 100644
--- a/examples/contrib/organize_day_intervals.csproj
+++ b/examples/contrib/organize_day_intervals.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="organize_day_intervals.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/p_median.csproj b/examples/contrib/p_median.csproj
index 6e88e41f37..fca38c1a9a 100644
--- a/examples/contrib/p_median.csproj
+++ b/examples/contrib/p_median.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="p_median.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/pandigital_numbers.csproj b/examples/contrib/pandigital_numbers.csproj
index 5892f805e4..321c7fd1be 100644
--- a/examples/contrib/pandigital_numbers.csproj
+++ b/examples/contrib/pandigital_numbers.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="pandigital_numbers.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/partition.csproj b/examples/contrib/partition.csproj
index 9233aa26a3..a65ed2ba64 100644
--- a/examples/contrib/partition.csproj
+++ b/examples/contrib/partition.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="partition.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/perfect_square_sequence.csproj b/examples/contrib/perfect_square_sequence.csproj
index 6315250309..95abf61f20 100644
--- a/examples/contrib/perfect_square_sequence.csproj
+++ b/examples/contrib/perfect_square_sequence.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="perfect_square_sequence.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/photo_problem.csproj b/examples/contrib/photo_problem.csproj
index 63e4d5d195..355228c53d 100644
--- a/examples/contrib/photo_problem.csproj
+++ b/examples/contrib/photo_problem.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="photo_problem.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/place_number_puzzle.csproj b/examples/contrib/place_number_puzzle.csproj
index 44710ec9f3..44567b2d03 100644
--- a/examples/contrib/place_number_puzzle.csproj
+++ b/examples/contrib/place_number_puzzle.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="place_number_puzzle.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/post_office_problem2.csproj b/examples/contrib/post_office_problem2.csproj
index 4ee6ea7a3e..7ec785de7b 100644
--- a/examples/contrib/post_office_problem2.csproj
+++ b/examples/contrib/post_office_problem2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="post_office_problem2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/quasigroup_completion.csproj b/examples/contrib/quasigroup_completion.csproj
index 19a1df1548..594159e056 100644
--- a/examples/contrib/quasigroup_completion.csproj
+++ b/examples/contrib/quasigroup_completion.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="quasigroup_completion.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/regex.csproj b/examples/contrib/regex.csproj
index ea0fd85c73..6b1851763a 100644
--- a/examples/contrib/regex.csproj
+++ b/examples/contrib/regex.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="regex.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/rogo2.csproj b/examples/contrib/rogo2.csproj
index 7552561198..e8e6f28e46 100644
--- a/examples/contrib/rogo2.csproj
+++ b/examples/contrib/rogo2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="rogo2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/scheduling_speakers.csproj b/examples/contrib/scheduling_speakers.csproj
index 5657379417..1c2bcd679d 100644
--- a/examples/contrib/scheduling_speakers.csproj
+++ b/examples/contrib/scheduling_speakers.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="scheduling_speakers.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/secret_santa.csproj b/examples/contrib/secret_santa.csproj
index 935191d97d..a578d6429f 100644
--- a/examples/contrib/secret_santa.csproj
+++ b/examples/contrib/secret_santa.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="secret_santa.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/secret_santa2.csproj b/examples/contrib/secret_santa2.csproj
index 1af2e73011..a4ad1dde13 100644
--- a/examples/contrib/secret_santa2.csproj
+++ b/examples/contrib/secret_santa2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="secret_santa2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
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 </Project>
diff --git a/examples/contrib/send_more_money.csproj b/examples/contrib/send_more_money.csproj
index 6f0a6a1348..0072a2262d 100644
--- a/examples/contrib/send_more_money.csproj
+++ b/examples/contrib/send_more_money.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="send_more_money.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
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 </Project>
diff --git a/examples/contrib/send_more_money2.csproj b/examples/contrib/send_more_money2.csproj
index dd17567071..b86c5082e2 100644
--- a/examples/contrib/send_more_money2.csproj
+++ b/examples/contrib/send_more_money2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="send_more_money2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/send_most_money.csproj b/examples/contrib/send_most_money.csproj
index 058caf781b..d7da3a747e 100644
--- a/examples/contrib/send_most_money.csproj
+++ b/examples/contrib/send_most_money.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="send_most_money.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/seseman.csproj b/examples/contrib/seseman.csproj
index 714be74dc6..96fa1446ed 100644
--- a/examples/contrib/seseman.csproj
+++ b/examples/contrib/seseman.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="seseman.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering.csproj b/examples/contrib/set_covering.csproj
index 48651abb55..cbf6bcbdf8 100644
--- a/examples/contrib/set_covering.csproj
+++ b/examples/contrib/set_covering.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering2.csproj b/examples/contrib/set_covering2.csproj
index f6647d3d9f..f3b5aa2153 100644
--- a/examples/contrib/set_covering2.csproj
+++ b/examples/contrib/set_covering2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering3.csproj b/examples/contrib/set_covering3.csproj
index 784feb899f..b0e80b70db 100644
--- a/examples/contrib/set_covering3.csproj
+++ b/examples/contrib/set_covering3.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering3.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering4.csproj b/examples/contrib/set_covering4.csproj
index 9120bbb068..38ca6b6ff8 100644
--- a/examples/contrib/set_covering4.csproj
+++ b/examples/contrib/set_covering4.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering4.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering_deployment.csproj b/examples/contrib/set_covering_deployment.csproj
index d989137442..6daeb281fa 100644
--- a/examples/contrib/set_covering_deployment.csproj
+++ b/examples/contrib/set_covering_deployment.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering_deployment.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_covering_skiena.csproj b/examples/contrib/set_covering_skiena.csproj
index 9f0fc31659..9f48d080f1 100644
--- a/examples/contrib/set_covering_skiena.csproj
+++ b/examples/contrib/set_covering_skiena.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="set_covering_skiena.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/set_partition.csproj b/examples/contrib/set_partition.csproj
index cc08e92a9b..053f8de3a3 100644
--- a/examples/contrib/set_partition.csproj
+++ b/examples/contrib/set_partition.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="set_partition.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/sicherman_dice.csproj b/examples/contrib/sicherman_dice.csproj
index 828ea8bb13..be1bbc28ad 100644
--- a/examples/contrib/sicherman_dice.csproj
+++ b/examples/contrib/sicherman_dice.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="sicherman_dice.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/ski_assignment.csproj b/examples/contrib/ski_assignment.csproj
index c8fed2a7e3..b06d6eecc9 100644
--- a/examples/contrib/ski_assignment.csproj
+++ b/examples/contrib/ski_assignment.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="ski_assignment.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/stable_marriage.csproj b/examples/contrib/stable_marriage.csproj
index 957b9b2c55..c8fb028e89 100644
--- a/examples/contrib/stable_marriage.csproj
+++ b/examples/contrib/stable_marriage.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="stable_marriage.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/strimko2.csproj b/examples/contrib/strimko2.csproj
index d85c04ebf6..d94c0a5a7e 100644
--- a/examples/contrib/strimko2.csproj
+++ b/examples/contrib/strimko2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="strimko2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/subset_sum.csproj b/examples/contrib/subset_sum.csproj
index a6d29a775d..13c464ecb1 100644
--- a/examples/contrib/subset_sum.csproj
+++ b/examples/contrib/subset_sum.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="subset_sum.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/sudoku.csproj b/examples/contrib/sudoku.csproj
index 273a04a753..7ae0d90b0e 100644
--- a/examples/contrib/sudoku.csproj
+++ b/examples/contrib/sudoku.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="sudoku.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/survo_puzzle.csproj b/examples/contrib/survo_puzzle.csproj
index 458a2dfc23..531426ba8f 100644
--- a/examples/contrib/survo_puzzle.csproj
+++ b/examples/contrib/survo_puzzle.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="survo_puzzle.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/to_num.csproj b/examples/contrib/to_num.csproj
index 86abeed7bb..f329e368a9 100644
--- a/examples/contrib/to_num.csproj
+++ b/examples/contrib/to_num.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="to_num.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/traffic_lights.csproj b/examples/contrib/traffic_lights.csproj
index 79b4706ee0..4cf21af74e 100644
--- a/examples/contrib/traffic_lights.csproj
+++ b/examples/contrib/traffic_lights.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="traffic_lights.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/volsay.csproj b/examples/contrib/volsay.csproj
index 3a96b34232..7ac9baf0c5 100644
--- a/examples/contrib/volsay.csproj
+++ b/examples/contrib/volsay.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="volsay.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/volsay2.csproj b/examples/contrib/volsay2.csproj
index 6d4f785525..2c7d94309a 100644
--- a/examples/contrib/volsay2.csproj
+++ b/examples/contrib/volsay2.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="volsay2.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/volsay3.csproj b/examples/contrib/volsay3.csproj
index a1f05e167b..351e3ba712 100644
--- a/examples/contrib/volsay3.csproj
+++ b/examples/contrib/volsay3.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="volsay3.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/wedding_optimal_chart.csproj b/examples/contrib/wedding_optimal_chart.csproj
index 8857697bc6..0f7665239d 100644
--- a/examples/contrib/wedding_optimal_chart.csproj
+++ b/examples/contrib/wedding_optimal_chart.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="wedding_optimal_chart.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/who_killed_agatha.csproj b/examples/contrib/who_killed_agatha.csproj
index ec9074dd38..184cdd1cae 100644
--- a/examples/contrib/who_killed_agatha.csproj
+++ b/examples/contrib/who_killed_agatha.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="who_killed_agatha.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/word_square.csproj b/examples/contrib/word_square.csproj
index a99b3699b5..5726e13a1b 100644
--- a/examples/contrib/word_square.csproj
+++ b/examples/contrib/word_square.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="word_square.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/xkcd.csproj b/examples/contrib/xkcd.csproj
index d12c08badb..08c319a72a 100644
--- a/examples/contrib/xkcd.csproj
+++ b/examples/contrib/xkcd.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="xkcd.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/young_tableaux.csproj b/examples/contrib/young_tableaux.csproj
index fa083e9124..f122d09372 100644
--- a/examples/contrib/young_tableaux.csproj
+++ b/examples/contrib/young_tableaux.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="young_tableaux.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/contrib/zebra.csproj b/examples/contrib/zebra.csproj
index cb84bd61ca..35d3b3cadc 100644
--- a/examples/contrib/zebra.csproj
+++ b/examples/contrib/zebra.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="zebra.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/BalanceGroupSat.csproj b/examples/dotnet/BalanceGroupSat.csproj
index 559d7400cd..f5152ae9fb 100644
--- a/examples/dotnet/BalanceGroupSat.csproj
+++ b/examples/dotnet/BalanceGroupSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="BalanceGroupSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/GateSchedulingSat.csproj b/examples/dotnet/GateSchedulingSat.csproj
index b6c0f0cad2..31f7a5007b 100644
--- a/examples/dotnet/GateSchedulingSat.csproj
+++ b/examples/dotnet/GateSchedulingSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="GateSchedulingSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/JobshopFt06Sat.csproj b/examples/dotnet/JobshopFt06Sat.csproj
index e3997e5914..93de3b22a0 100644
--- a/examples/dotnet/JobshopFt06Sat.csproj
+++ b/examples/dotnet/JobshopFt06Sat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="JobshopFt06Sat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/JobshopSat.csproj b/examples/dotnet/JobshopSat.csproj
index 8fe3bbd1a6..e53f1ce766 100644
--- a/examples/dotnet/JobshopSat.csproj
+++ b/examples/dotnet/JobshopSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="JobshopSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/NetworkRoutingSat.csproj b/examples/dotnet/NetworkRoutingSat.csproj
index bf16af6454..4abd9e5c0f 100644
--- a/examples/dotnet/NetworkRoutingSat.csproj
+++ b/examples/dotnet/NetworkRoutingSat.csproj
@@ -1,11 +1,11 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <LangVersion>7.2</LangVersion>
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <EnableDefaultItems>false</EnableDefaultItems>
     <RestoreSources>../../packages;$(RestoreSources);https://api.nuget.org/v3/index.json</RestoreSources>
-	<AssemblyName>Google.OrTools.NetworkRoutingSat</AssemblyName>
+    <AssemblyName>Google.OrTools.NetworkRoutingSat</AssemblyName>
     <IsPackable>true</IsPackable>
   </PropertyGroup>
 
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="NetworkRoutingSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/NursesSat.csproj b/examples/dotnet/NursesSat.csproj
index cb843342aa..725522468b 100644
--- a/examples/dotnet/NursesSat.csproj
+++ b/examples/dotnet/NursesSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="NursesSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/ShiftSchedulingSat.csproj b/examples/dotnet/ShiftSchedulingSat.csproj
index 1d0c3f91ec..99cea7b2b7 100644
--- a/examples/dotnet/ShiftSchedulingSat.csproj
+++ b/examples/dotnet/ShiftSchedulingSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="ShiftSchedulingSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/SpeakerSchedulingSat.csproj b/examples/dotnet/SpeakerSchedulingSat.csproj
index afedbe0397..71e10ac60c 100644
--- a/examples/dotnet/SpeakerSchedulingSat.csproj
+++ b/examples/dotnet/SpeakerSchedulingSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SpeakerSchedulingSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/TaskSchedulingSat.csproj b/examples/dotnet/TaskSchedulingSat.csproj
index 3bbd916b98..873200fe31 100644
--- a/examples/dotnet/TaskSchedulingSat.csproj
+++ b/examples/dotnet/TaskSchedulingSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="TaskSchedulingSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/cscvrptw.csproj b/examples/dotnet/cscvrptw.csproj
index 5d3e23273e..7e25e9f2a4 100644
--- a/examples/dotnet/cscvrptw.csproj
+++ b/examples/dotnet/cscvrptw.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="cscvrptw.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/csflow.csproj b/examples/dotnet/csflow.csproj
index 7aa20ff70e..ad6b6f2116 100644
--- a/examples/dotnet/csflow.csproj
+++ b/examples/dotnet/csflow.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="csflow.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/csfz.csproj b/examples/dotnet/csfz.csproj
index 8b878b3ab9..1a86b6a1fd 100644
--- a/examples/dotnet/csfz.csproj
+++ b/examples/dotnet/csfz.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="csfz.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/csintegerprogramming.csproj b/examples/dotnet/csintegerprogramming.csproj
index 07318a4054..6774bf6b53 100644
--- a/examples/dotnet/csintegerprogramming.csproj
+++ b/examples/dotnet/csintegerprogramming.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="csintegerprogramming.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/csknapsack.csproj b/examples/dotnet/csknapsack.csproj
index 11659c3c72..bfceb17bdf 100644
--- a/examples/dotnet/csknapsack.csproj
+++ b/examples/dotnet/csknapsack.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="csknapsack.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/cslinearprogramming.csproj b/examples/dotnet/cslinearprogramming.csproj
index 2d542ff27e..d75316055d 100644
--- a/examples/dotnet/cslinearprogramming.csproj
+++ b/examples/dotnet/cslinearprogramming.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="cslinearprogramming.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/csls_api.csproj b/examples/dotnet/csls_api.csproj
index df5596c181..d1b772aa21 100644
--- a/examples/dotnet/csls_api.csproj
+++ b/examples/dotnet/csls_api.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="csls_api.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/csrabbitspheasants.csproj b/examples/dotnet/csrabbitspheasants.csproj
index 484485219f..4a7a804995 100644
--- a/examples/dotnet/csrabbitspheasants.csproj
+++ b/examples/dotnet/csrabbitspheasants.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="csrabbitspheasants.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/dotnet/cstsp.csproj b/examples/dotnet/cstsp.csproj
index 1dcaa2280c..42dadea7fe 100644
--- a/examples/dotnet/cstsp.csproj
+++ b/examples/dotnet/cstsp.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="cstsp.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/ConstraintSolverTests.csproj b/examples/tests/ConstraintSolverTests.csproj
index 3d1e06f196..aecf1e0e93 100644
--- a/examples/tests/ConstraintSolverTests.csproj
+++ b/examples/tests/ConstraintSolverTests.csproj
@@ -20,6 +20,6 @@
     <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="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/LinearSolverTests.csproj b/examples/tests/LinearSolverTests.csproj
index 331a3ef4de..bbb87f9214 100644
--- a/examples/tests/LinearSolverTests.csproj
+++ b/examples/tests/LinearSolverTests.csproj
@@ -20,6 +20,6 @@
     <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="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/RoutingSolverTests.csproj b/examples/tests/RoutingSolverTests.csproj
index 361403f1a7..10b765c5c7 100644
--- a/examples/tests/RoutingSolverTests.csproj
+++ b/examples/tests/RoutingSolverTests.csproj
@@ -20,6 +20,6 @@
     <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="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/SatSolverTests.csproj b/examples/tests/SatSolverTests.csproj
index 6764c8249f..31f00e185e 100644
--- a/examples/tests/SatSolverTests.csproj
+++ b/examples/tests/SatSolverTests.csproj
@@ -20,6 +20,6 @@
     <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="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/issue18.csproj b/examples/tests/issue18.csproj
index 53fadff55e..36999769b0 100644
--- a/examples/tests/issue18.csproj
+++ b/examples/tests/issue18.csproj
@@ -20,6 +20,6 @@
     <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="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/issue22.csproj b/examples/tests/issue22.csproj
index 651c649e4c..ce02a9fce6 100644
--- a/examples/tests/issue22.csproj
+++ b/examples/tests/issue22.csproj
@@ -20,6 +20,6 @@
     <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="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/examples/tests/issue33.csproj b/examples/tests/issue33.csproj
index 2bfb5fca37..cec0c5b6b8 100644
--- a/examples/tests/issue33.csproj
+++ b/examples/tests/issue33.csproj
@@ -20,6 +20,6 @@
     <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="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/SimpleCpProgram.csproj b/ortools/constraint_solver/samples/SimpleCpProgram.csproj
index bcf4c1f9ff..16663b7306 100644
--- a/ortools/constraint_solver/samples/SimpleCpProgram.csproj
+++ b/ortools/constraint_solver/samples/SimpleCpProgram.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleCpProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj b/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
index 255897f8e4..5917901ed2 100644
--- a/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
+++ b/ortools/constraint_solver/samples/SimpleRoutingProgram.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleRoutingProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/Tsp.csproj b/ortools/constraint_solver/samples/Tsp.csproj
index bb38382d3e..b66ccbff2e 100644
--- a/ortools/constraint_solver/samples/Tsp.csproj
+++ b/ortools/constraint_solver/samples/Tsp.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="Tsp.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/TspCircuitBoard.csproj b/ortools/constraint_solver/samples/TspCircuitBoard.csproj
index 10adc216ac..eb82a22a84 100644
--- a/ortools/constraint_solver/samples/TspCircuitBoard.csproj
+++ b/ortools/constraint_solver/samples/TspCircuitBoard.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="TspCircuitBoard.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/TspCities.csproj b/ortools/constraint_solver/samples/TspCities.csproj
index fa7fd83d60..70ab469d92 100644
--- a/ortools/constraint_solver/samples/TspCities.csproj
+++ b/ortools/constraint_solver/samples/TspCities.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="TspCities.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/TspDistanceMatrix.csproj b/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
index 7bff00e95d..e2f6180a8f 100644
--- a/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
+++ b/ortools/constraint_solver/samples/TspDistanceMatrix.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="TspDistanceMatrix.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/Vrp.csproj b/ortools/constraint_solver/samples/Vrp.csproj
index 0296f658a0..e5537e03c9 100644
--- a/ortools/constraint_solver/samples/Vrp.csproj
+++ b/ortools/constraint_solver/samples/Vrp.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="Vrp.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpCapacity.csproj b/ortools/constraint_solver/samples/VrpCapacity.csproj
index 71aeb6ac64..b92c101cac 100644
--- a/ortools/constraint_solver/samples/VrpCapacity.csproj
+++ b/ortools/constraint_solver/samples/VrpCapacity.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="VrpCapacity.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpDropNodes.csproj b/ortools/constraint_solver/samples/VrpDropNodes.csproj
index 9935e2b4da..2ff7bba49c 100644
--- a/ortools/constraint_solver/samples/VrpDropNodes.csproj
+++ b/ortools/constraint_solver/samples/VrpDropNodes.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="VrpDropNodes.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpGlobalSpan.csproj b/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
index 31591746e8..f47e4c60b3 100644
--- a/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
+++ b/ortools/constraint_solver/samples/VrpGlobalSpan.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="VrpGlobalSpan.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpInitialRoutes.csproj b/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
index 3a6c84cd7b..e521ed0320 100644
--- a/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
+++ b/ortools/constraint_solver/samples/VrpInitialRoutes.csproj
@@ -17,7 +17,6 @@
 
   <ItemGroup>
     <Compile Include="VrpInitialRoutes.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
-
diff --git a/ortools/constraint_solver/samples/VrpPickupDelivery.csproj b/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
index 0970d8811a..806e1e42f9 100644
--- a/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDelivery.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="VrpPickupDelivery.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj b/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
index 02e4f5c734..46eb17584e 100644
--- a/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDeliveryFifo.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="VrpPickupDeliveryFifo.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj b/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
index 66e9779238..570d31891f 100644
--- a/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
+++ b/ortools/constraint_solver/samples/VrpPickupDeliveryLifo.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="VrpPickupDeliveryLifo.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpResources.csproj b/ortools/constraint_solver/samples/VrpResources.csproj
index 5c978d5514..d5ef2530ad 100644
--- a/ortools/constraint_solver/samples/VrpResources.csproj
+++ b/ortools/constraint_solver/samples/VrpResources.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="VrpResources.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpStartsEnds.csproj b/ortools/constraint_solver/samples/VrpStartsEnds.csproj
index 3390524064..5e98008ce3 100644
--- a/ortools/constraint_solver/samples/VrpStartsEnds.csproj
+++ b/ortools/constraint_solver/samples/VrpStartsEnds.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="VrpStartsEnds.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpTimeWindows.csproj b/ortools/constraint_solver/samples/VrpTimeWindows.csproj
index c964f5163e..590e68500f 100644
--- a/ortools/constraint_solver/samples/VrpTimeWindows.csproj
+++ b/ortools/constraint_solver/samples/VrpTimeWindows.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="VrpTimeWindows.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj b/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
index 576c2395c3..6e8e6ec90b 100644
--- a/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
+++ b/ortools/constraint_solver/samples/VrpWithTimeLimit.csproj
@@ -5,7 +5,7 @@
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <EnableDefaultItems>false</EnableDefaultItems>
     <RestoreSources>../../../packages;$(RestoreSources);https://api.nuget.org/v3/index.json</RestoreSources>
-    <AssemblyName>Google.OrTools.VrpGlobalSpan</AssemblyName>
+    <AssemblyName>Google.OrTools.VrpWithTimeLimit</AssemblyName>
     <IsPackable>true</IsPackable>
   </PropertyGroup>
 
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="VrpWithTimeLimit.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/graph/samples/SimpleMaxFlowProgram.csproj b/ortools/graph/samples/SimpleMaxFlowProgram.csproj
index 6369d94c4c..8e1872eff1 100644
--- a/ortools/graph/samples/SimpleMaxFlowProgram.csproj
+++ b/ortools/graph/samples/SimpleMaxFlowProgram.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleMaxFlowProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/graph/samples/SimpleMinCostFlowProgram.csproj b/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
index 59099f68de..c7861fc7a2 100644
--- a/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
+++ b/ortools/graph/samples/SimpleMinCostFlowProgram.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleMinCostFlowProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/linear_solver/samples/SimpleLpProgram.csproj b/ortools/linear_solver/samples/SimpleLpProgram.csproj
index b01c3e993e..5faa2c4f15 100644
--- a/ortools/linear_solver/samples/SimpleLpProgram.csproj
+++ b/ortools/linear_solver/samples/SimpleLpProgram.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleLpProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/linear_solver/samples/SimpleMipProgram.csproj b/ortools/linear_solver/samples/SimpleMipProgram.csproj
index 40d1f6c212..cfe847f733 100644
--- a/ortools/linear_solver/samples/SimpleMipProgram.csproj
+++ b/ortools/linear_solver/samples/SimpleMipProgram.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleMipProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/BinPackingProblemSat.csproj b/ortools/sat/samples/BinPackingProblemSat.csproj
index c787fe5aeb..c247548012 100644
--- a/ortools/sat/samples/BinPackingProblemSat.csproj
+++ b/ortools/sat/samples/BinPackingProblemSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="BinPackingProblemSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/BoolOrSampleSat.csproj b/ortools/sat/samples/BoolOrSampleSat.csproj
index 9168d069a1..92becbeaaf 100644
--- a/ortools/sat/samples/BoolOrSampleSat.csproj
+++ b/ortools/sat/samples/BoolOrSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="BoolOrSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/ChannelingSampleSat.csproj b/ortools/sat/samples/ChannelingSampleSat.csproj
index 3aee6dfcbe..557c14f1c7 100644
--- a/ortools/sat/samples/ChannelingSampleSat.csproj
+++ b/ortools/sat/samples/ChannelingSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="ChannelingSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/CpIsFunSat.csproj b/ortools/sat/samples/CpIsFunSat.csproj
index e453d7c847..9c0d027f47 100644
--- a/ortools/sat/samples/CpIsFunSat.csproj
+++ b/ortools/sat/samples/CpIsFunSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="CpIsFunSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj b/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
index d7917f0b03..9a85ea743a 100644
--- a/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
+++ b/ortools/sat/samples/EarlinessTardinessCostSampleSat.csproj
@@ -5,6 +5,8 @@
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <EnableDefaultItems>false</EnableDefaultItems>
     <RestoreSources>../../../packages;$(RestoreSources);https://api.nuget.org/v3/index.json</RestoreSources>
+    <AssemblyName>Google.OrTools.EarlinessTardinessCostSampleSat</AssemblyName>
+    <IsPackable>true</IsPackable>
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -15,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="EarlinessTardinessCostSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0.*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/IntervalSampleSat.csproj b/ortools/sat/samples/IntervalSampleSat.csproj
index 002f782b3c..07bc9b77ad 100644
--- a/ortools/sat/samples/IntervalSampleSat.csproj
+++ b/ortools/sat/samples/IntervalSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="IntervalSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/LiteralSampleSat.csproj b/ortools/sat/samples/LiteralSampleSat.csproj
index 80bcebaa1b..6af2aa0ffd 100644
--- a/ortools/sat/samples/LiteralSampleSat.csproj
+++ b/ortools/sat/samples/LiteralSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="LiteralSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/NoOverlapSampleSat.csproj b/ortools/sat/samples/NoOverlapSampleSat.csproj
index 68b541d4d6..877208cbdd 100644
--- a/ortools/sat/samples/NoOverlapSampleSat.csproj
+++ b/ortools/sat/samples/NoOverlapSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="NoOverlapSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/OptionalIntervalSampleSat.csproj b/ortools/sat/samples/OptionalIntervalSampleSat.csproj
index 075a3380cc..9ec0477393 100644
--- a/ortools/sat/samples/OptionalIntervalSampleSat.csproj
+++ b/ortools/sat/samples/OptionalIntervalSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="OptionalIntervalSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/RabbitsAndPheasantsSat.csproj b/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
index 5ca21deef6..392c0e0ce0 100644
--- a/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
+++ b/ortools/sat/samples/RabbitsAndPheasantsSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="RabbitsAndPheasantsSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/RankingSampleSat.csproj b/ortools/sat/samples/RankingSampleSat.csproj
index 9ce35d6975..531e4979a1 100644
--- a/ortools/sat/samples/RankingSampleSat.csproj
+++ b/ortools/sat/samples/RankingSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="RankingSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/ReifiedSampleSat.csproj b/ortools/sat/samples/ReifiedSampleSat.csproj
index d3351b25fb..fca648d952 100644
--- a/ortools/sat/samples/ReifiedSampleSat.csproj
+++ b/ortools/sat/samples/ReifiedSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="ReifiedSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj b/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
index 4bb5d141d1..3c168c7bdd 100644
--- a/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/SearchForAllSolutionsSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SearchForAllSolutionsSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/SimpleSatProgram.csproj b/ortools/sat/samples/SimpleSatProgram.csproj
index 7241f8269c..7c36fbe032 100644
--- a/ortools/sat/samples/SimpleSatProgram.csproj
+++ b/ortools/sat/samples/SimpleSatProgram.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SimpleSatProgram.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj b/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
index 8370bec064..67d1e33346 100644
--- a/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/SolveAndPrintIntermediateSolutionsSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SolveAndPrintIntermediateSolutionsSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj b/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
index b662bdd641..c624801f0a 100644
--- a/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
+++ b/ortools/sat/samples/SolveWithTimeLimitSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="SolveWithTimeLimitSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/StepFunctionSampleSat.csproj b/ortools/sat/samples/StepFunctionSampleSat.csproj
index d2dea46bed..c01e635062 100644
--- a/ortools/sat/samples/StepFunctionSampleSat.csproj
+++ b/ortools/sat/samples/StepFunctionSampleSat.csproj
@@ -5,6 +5,8 @@
     <TargetFramework>netcoreapp2.1</TargetFramework>
     <EnableDefaultItems>false</EnableDefaultItems>
     <RestoreSources>../../../packages;$(RestoreSources);https://api.nuget.org/v3/index.json</RestoreSources>
+    <AssemblyName>Google.OrTools.StepFunctionSampleSat</AssemblyName>
+    <IsPackable>true</IsPackable>
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -15,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="StepFunctionSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0.*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>
diff --git a/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj b/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
index c949731e8e..af85bea4fe 100644
--- a/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
+++ b/ortools/sat/samples/StopAfterNSolutionsSampleSat.csproj
@@ -17,6 +17,6 @@
 
   <ItemGroup>
     <Compile Include="StopAfterNSolutionsSampleSat.cs" />
-    <PackageReference Include="Google.OrTools" Version="7.0*" />
+    <PackageReference Include="Google.OrTools" Version="7.1*" />
   </ItemGroup>
 </Project>