diff --git a/dotnet/packages/Microsoft.TeamsAI/Microsoft.TeamsAI.Tests/Microsoft.Teams.AI.Tests.csproj b/dotnet/packages/Microsoft.TeamsAI/Microsoft.TeamsAI.Tests/Microsoft.Teams.AI.Tests.csproj
index 129140d54..24b014f58 100644
--- a/dotnet/packages/Microsoft.TeamsAI/Microsoft.TeamsAI.Tests/Microsoft.Teams.AI.Tests.csproj
+++ b/dotnet/packages/Microsoft.TeamsAI/Microsoft.TeamsAI.Tests/Microsoft.Teams.AI.Tests.csproj
@@ -15,7 +15,7 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="Moq" Version="4.18.4" />
     <PackageReference Include="System.Linq.Async" Version="6.0.1" />
-    <PackageReference Include="xunit" Version="2.6.5" />
+    <PackageReference Include="xunit" Version="2.6.6" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>