diff --git a/RegexToolbox.Tests/RegexToolbox.Tests.csproj b/RegexToolbox.Tests/RegexToolbox.Tests.csproj
index 45d67ea..788bc92 100644
--- a/RegexToolbox.Tests/RegexToolbox.Tests.csproj
+++ b/RegexToolbox.Tests/RegexToolbox.Tests.csproj
@@ -10,7 +10,7 @@
 
     <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>