diff --git a/avrotize/dependencies/cs/net100/dependencies.csproj b/avrotize/dependencies/cs/net100/dependencies.csproj
index 302f7d9..bdf2e0e 100644
--- a/avrotize/dependencies/cs/net100/dependencies.csproj
+++ b/avrotize/dependencies/cs/net100/dependencies.csproj
@@ -23,7 +23,7 @@
 
     <!-- Testing -->
     <ItemGroup>
-        <PackageReference Include="NUnit" Version="4.5.1" />
+        <PackageReference Include="NUnit" Version="4.6.0" />
         <PackageReference Include="NUnit3TestAdapter" Version="6.2.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     </ItemGroup>