diff --git a/tests/ZaString.Tests/ZaString.Tests.csproj b/tests/ZaString.Tests/ZaString.Tests.csproj
index aaf68353..36b8f59e 100644
--- a/tests/ZaString.Tests/ZaString.Tests.csproj
+++ b/tests/ZaString.Tests/ZaString.Tests.csproj
@@ -12,7 +12,7 @@
         <PackageReference Include="coverlet.collector" Version="10.0.1"/>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.9.0" />
         <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>