diff --git a/by-language/csharp-npgsql/demo.csproj b/by-language/csharp-npgsql/demo.csproj
index d26f0641..a11ed473 100644
--- a/by-language/csharp-npgsql/demo.csproj
+++ b/by-language/csharp-npgsql/demo.csproj
@@ -11,7 +11,7 @@
   <ItemGroup>
     <PackageReference Include="Npgsql" Version="8.0.1" />
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
     <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" />
     <PackageReference Include="coverlet.collector" Version="6.0.0" />