diff --git a/samples/cloud-run/dotnet/dotnet.csproj b/samples/cloud-run/dotnet/dotnet.csproj
index 5258a7811..74c1134d2 100644
--- a/samples/cloud-run/dotnet/dotnet.csproj
+++ b/samples/cloud-run/dotnet/dotnet.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Npgsql" Version="7.0.6" />
+    <PackageReference Include="Npgsql" Version="8.0.3" />
   </ItemGroup>
 
 </Project>
diff --git a/samples/dotnet/npgsql-sample/npgsql-sample.csproj b/samples/dotnet/npgsql-sample/npgsql-sample.csproj
index dca3ed942..70e86f8c8 100644
--- a/samples/dotnet/npgsql-sample/npgsql-sample.csproj
+++ b/samples/dotnet/npgsql-sample/npgsql-sample.csproj
@@ -9,7 +9,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Npgsql" Version="8.0.2" />
+      <PackageReference Include="Npgsql" Version="8.0.3" />
       <PackageReference Include="Testcontainers" Version="3.8.0" />
     </ItemGroup>