diff --git a/GangsImpl/Mock/Mock.csproj b/GangsImpl/Mock/Mock.csproj
index 1e49722..2fca519 100644
--- a/GangsImpl/Mock/Mock.csproj
+++ b/GangsImpl/Mock/Mock.csproj
@@ -10,7 +10,7 @@
         <PackageReference Include="coverlet.collector" Version="6.0.0"/>
         <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.1"/>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0"/>
-        <PackageReference Include="xunit" Version="2.5.3"/>
+        <PackageReference Include="xunit" Version="2.9.0"/>
         <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3"/>
     </ItemGroup>