diff --git a/hello-grpc-csharp/HelloUT/HelloUT.csproj b/hello-grpc-csharp/HelloUT/HelloUT.csproj
index f7b78c9..55670fb 100644
--- a/hello-grpc-csharp/HelloUT/HelloUT.csproj
+++ b/hello-grpc-csharp/HelloUT/HelloUT.csproj
@@ -12,7 +12,7 @@
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-        <PackageReference Include="NUnit" Version="4.1.0" />
+        <PackageReference Include="NUnit" Version="4.2.2" />
         <!-- https://www.nuget.org/packages/NUnit3TestAdapter -->
         <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
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