diff --git a/tests/RoslynMcp.Core.Tests/RoslynMcp.Core.Tests.csproj b/tests/RoslynMcp.Core.Tests/RoslynMcp.Core.Tests.csproj
index 8eead67..404113e 100644
--- a/tests/RoslynMcp.Core.Tests/RoslynMcp.Core.Tests.csproj
+++ b/tests/RoslynMcp.Core.Tests/RoslynMcp.Core.Tests.csproj
@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageReference Include="xunit" Version="2.6.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.0">
       <PrivateAssets>all</PrivateAssets>