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..8a651a5 100644
--- a/tests/AzureCosmosDB.MCP.Toolkit.Tests/AzureCosmosDB.MCP.Toolkit.Tests.csproj
+++ b/tests/AzureCosmosDB.MCP.Toolkit.Tests/AzureCosmosDB.MCP.Toolkit.Tests.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
     <PackageReference Include="xunit" Version="2.6.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">
       <PrivateAssets>all</PrivateAssets>