diff --git a/Difficalcy.PerformancePlus.Tests/Difficalcy.PerformancePlus.Tests.csproj b/Difficalcy.PerformancePlus.Tests/Difficalcy.PerformancePlus.Tests.csproj
index 43cb9a1..3231951 100644
--- a/Difficalcy.PerformancePlus.Tests/Difficalcy.PerformancePlus.Tests.csproj
+++ b/Difficalcy.PerformancePlus.Tests/Difficalcy.PerformancePlus.Tests.csproj
@@ -7,7 +7,7 @@
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-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
+    <PackageReference Include="xunit.runner.visualstudio" Version="4.0.0">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
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