diff --git a/JsonApiToolkit.Tests/JsonApiToolkit.Tests.csproj b/JsonApiToolkit.Tests/JsonApiToolkit.Tests.csproj
index 7472d6d..27986db 100644
--- a/JsonApiToolkit.Tests/JsonApiToolkit.Tests.csproj
+++ b/JsonApiToolkit.Tests/JsonApiToolkit.Tests.csproj
@@ -14,7 +14,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="moq" Version="4.20.72" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0" />
   </ItemGroup>
 
   <ItemGroup>