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 62ed550..43b7a18 100644
--- a/tests/AzureCosmosDB.MCP.Toolkit.Tests/AzureCosmosDB.MCP.Toolkit.Tests.csproj
+++ b/tests/AzureCosmosDB.MCP.Toolkit.Tests/AzureCosmosDB.MCP.Toolkit.Tests.csproj
@@ -16,7 +16,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Moq" Version="4.20.69" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.16" />
     <PackageReference Include="FluentAssertions" Version="6.12.0" />
   </ItemGroup>