diff --git a/tests/AzureCosmosDB.MCP.Toolkit.Tests/AzureCosmosDB.MCP.Toolkit.Tests.csproj b/tests/AzureCosmosDB.MCP.Toolkit.Tests/AzureCosmosDB.MCP.Toolkit.Tests.csproj
index 38dbd77..9842bcb 100644
--- a/tests/AzureCosmosDB.MCP.Toolkit.Tests/AzureCosmosDB.MCP.Toolkit.Tests.csproj
+++ b/tests/AzureCosmosDB.MCP.Toolkit.Tests/AzureCosmosDB.MCP.Toolkit.Tests.csproj
@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
-    <PackageReference Include="xunit" Version="2.6.1" />
+    <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>