diff --git a/src/OpenClaw.Win.Cli.Tests/OpenClaw.Win.Cli.Tests.csproj b/src/OpenClaw.Win.Cli.Tests/OpenClaw.Win.Cli.Tests.csproj
index e6f0b94..076fd96 100644
--- a/src/OpenClaw.Win.Cli.Tests/OpenClaw.Win.Cli.Tests.csproj
+++ b/src/OpenClaw.Win.Cli.Tests/OpenClaw.Win.Cli.Tests.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" />
   </ItemGroup>
diff --git a/src/OpenClaw.Win.Core.Tests/OpenClaw.Win.Core.Tests.csproj b/src/OpenClaw.Win.Core.Tests/OpenClaw.Win.Core.Tests.csproj
index f21fa81..4996912 100644
--- a/src/OpenClaw.Win.Core.Tests/OpenClaw.Win.Core.Tests.csproj
+++ b/src/OpenClaw.Win.Core.Tests/OpenClaw.Win.Core.Tests.csproj
@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.4" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.3.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3" />
   </ItemGroup>