diff --git a/dotnet/test/opera/WebDriver.Opera.Tests.csproj b/dotnet/test/opera/WebDriver.Opera.Tests.csproj
index 324bda48cb5a3..30ec34979b1bd 100644
--- a/dotnet/test/opera/WebDriver.Opera.Tests.csproj
+++ b/dotnet/test/opera/WebDriver.Opera.Tests.csproj
@@ -30,7 +30,7 @@
 
   <ItemGroup>
     <PackageReference Include="NUnit" Version="3.12.0" />
-    <PackageReference Include="NUnit3TestAdapter" Version="3.16.1" />
+    <PackageReference Include="NUnit3TestAdapter" Version="6.0.0" />
   </ItemGroup>
 
   <ItemGroup>