diff --git a/bazel/notebook_requirements.in b/bazel/notebook_requirements.in
index a526e61ff8..8f5440d2d3 100644
--- a/bazel/notebook_requirements.in
+++ b/bazel/notebook_requirements.in
@@ -1,7 +1,7 @@
 # OR-Tools code dependencies
 absl-py==1.4.0
-numpy==1.24.1
-protobuf==4.23.2
+numpy==1.24.3
+protobuf==4.23.3
 scipy==1.10.0
 
 # OR-Tools build dependencies
@@ -17,4 +17,4 @@ svgwrite==1.4.3
 plotly==5.13.0
 
 # Notebook
-notebook==6.4.12
+notebook==6.5.4
diff --git a/bazel/ortools_requirements.in b/bazel/ortools_requirements.in
index b45f2b9fd2..39db5dc56c 100644
--- a/bazel/ortools_requirements.in
+++ b/bazel/ortools_requirements.in
@@ -1,7 +1,7 @@
 # OR-Tools code dependencies
 absl-py==1.4.0
-numpy==1.24.1
-protobuf==4.23.2
+numpy==1.24.3
+protobuf==4.23.3
 scipy==1.10.0
 
 # OR-Tools build dependencies
diff --git a/ortools/dotnet/Google.OrTools-full.csproj.in b/ortools/dotnet/Google.OrTools-full.csproj.in
index 4bd1ec6a5b..745e2a1648 100644
--- a/ortools/dotnet/Google.OrTools-full.csproj.in
+++ b/ortools/dotnet/Google.OrTools-full.csproj.in
@@ -176,7 +176,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.23.2"/>
+    <PackageReference Include="Google.Protobuf" Version="3.23.3"/>
   </ItemGroup>
 
   <!-- Need to add required runtime dependencies so Meta-Project will pull runtime Nuget(s) -->
diff --git a/ortools/dotnet/Google.OrTools-local.csproj.in b/ortools/dotnet/Google.OrTools-local.csproj.in
index 478cebc013..b1fc83a818 100644
--- a/ortools/dotnet/Google.OrTools-local.csproj.in
+++ b/ortools/dotnet/Google.OrTools-local.csproj.in
@@ -164,7 +164,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Google.Protobuf" Version="3.23.2"/>
+    <PackageReference Include="Google.Protobuf" Version="3.23.3"/>
   </ItemGroup>
 
   <!-- Need to add required runtime dependencies so Meta-Project will pull runtime Nuget(s) -->
diff --git a/ortools/java/pom-full.xml.in b/ortools/java/pom-full.xml.in
index d6343a966e..8f22261603 100644
--- a/ortools/java/pom-full.xml.in
+++ b/ortools/java/pom-full.xml.in
@@ -109,7 +109,7 @@
   <dependency>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-java</artifactId>
-    <version>3.23.2</version>
+    <version>3.23.3</version>
   </dependency>
 </dependencies>
 
diff --git a/ortools/java/pom-local.xml.in b/ortools/java/pom-local.xml.in
index 331f515e4c..985c3e5364 100644
--- a/ortools/java/pom-local.xml.in
+++ b/ortools/java/pom-local.xml.in
@@ -81,7 +81,7 @@
   <dependency>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-java</artifactId>
-    <version>3.23.2</version>
+    <version>3.23.3</version>
   </dependency>
 </dependencies>
 
diff --git a/ortools/java/pom.xml.in b/ortools/java/pom.xml.in
index 467fb374fe..2e417143dc 100644
--- a/ortools/java/pom.xml.in
+++ b/ortools/java/pom.xml.in
@@ -69,7 +69,7 @@
   <dependency>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-java</artifactId>
-    <version>3.23.2</version>
+    <version>3.23.3</version>
   </dependency>
   <dependency>
     <groupId>junit</groupId>
diff --git a/ortools/python/setup.py.in b/ortools/python/setup.py.in
index 043a0ff81f..37aa086cd3 100644
--- a/ortools/python/setup.py.in
+++ b/ortools/python/setup.py.in
@@ -45,7 +45,7 @@ setup(
     install_requires=[
         'absl-py >= 0.13',
         'numpy >= 1.13.3',
-        'protobuf >= 4.23.2',
+        'protobuf >= 4.23.3',
     ],
     package_data={
         '@PYTHON_PROJECT@':[$<$<STREQUAL:$<TARGET_PROPERTY:@PROJECT_NAME@,TYPE>,SHARED_LIBRARY>:'.libs/*','../$<TARGET_SONAME_FILE_NAME:@PROJECT_NAME@>'>],