diff --git a/avrotize/dependencies/cs/net100/dependencies.csproj b/avrotize/dependencies/cs/net100/dependencies.csproj
index a677d9ac..de38dad8 100644
--- a/avrotize/dependencies/cs/net100/dependencies.csproj
+++ b/avrotize/dependencies/cs/net100/dependencies.csproj
@@ -25,6 +25,6 @@
     <ItemGroup>
         <PackageReference Include="NUnit" Version="4.6.1" />
         <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     </ItemGroup>
 </Project>