diff --git a/MimeTypes.Tests/MimeTypes.Tests.csproj b/MimeTypes.Tests/MimeTypes.Tests.csproj
index 712fcec..ced5f5a 100644
--- a/MimeTypes.Tests/MimeTypes.Tests.csproj
+++ b/MimeTypes.Tests/MimeTypes.Tests.csproj
@@ -12,7 +12,7 @@
 
     <ItemGroup>
         <PackageReference Include="NUnit" Version="4.4.0" />
-        <PackageReference Include="NUnit3TestAdapter" Version="5.2.0" />
+        <PackageReference Include="NUnit3TestAdapter" Version="6.0.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     </ItemGroup>