diff --git a/Tests.props b/Tests.props
index 0b4bb968..fe65c911 100644
--- a/Tests.props
+++ b/Tests.props
@@ -15,7 +15,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.3" Condition="'$(TargetFramework)' == 'netcoreapp2.1'" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" Condition="'$(TargetFramework)' != 'netcoreapp2.1'" />
     <PackageReference Include="Shouldly" Version="4.2.1" />
-    <PackageReference Include="xunit" Version="2.6.5" />
+    <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.3" Condition="'$(TargetFramework)' == 'netcoreapp2.1'" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" Condition="'$(TargetFramework)' == 'netcoreapp3.1' OR '$(TargetFramework)' == 'net5.0'" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6" Condition="'$(TargetFramework)' != 'netcoreapp2.1' AND '$(TargetFramework)' != 'netcoreapp3.1' AND '$(TargetFramework)' != 'net5.0'" />