diff --git a/dotnet/Codexcw.Tests/Codexcw.Tests.csproj b/dotnet/Codexcw.Tests/Codexcw.Tests.csproj
index dc2463f..9c60e5e 100644
--- a/dotnet/Codexcw.Tests/Codexcw.Tests.csproj
+++ b/dotnet/Codexcw.Tests/Codexcw.Tests.csproj
@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.8.1" />
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5" PrivateAssets="all" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0" PrivateAssets="all" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="../Codexcw/Codexcw.csproj" />