diff --git a/test/CmlLib.Core.Test.csproj b/test/CmlLib.Core.Test.csproj
index 29b0969..682f119 100644
--- a/test/CmlLib.Core.Test.csproj
+++ b/test/CmlLib.Core.Test.csproj
@@ -21,7 +21,7 @@
     <ItemGroup>
         <PackageReference Include="Moq" Version="4.21.0" />
         <PackageReference Include="xunit" Version="2.9.3" />
-        <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2">
+        <PackageReference Include="xunit.runner.visualstudio" Version="4.0.1">
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>