diff --git a/src/OpenClawTray.FunctionalUI/OpenClawTray.FunctionalUI.csproj b/src/OpenClawTray.FunctionalUI/OpenClawTray.FunctionalUI.csproj
index b6fb4b5..1b42110 100644
--- a/src/OpenClawTray.FunctionalUI/OpenClawTray.FunctionalUI.csproj
+++ b/src/OpenClawTray.FunctionalUI/OpenClawTray.FunctionalUI.csproj
@@ -12,7 +12,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.WindowsAppSDK" Version="2.0.1" />
-    <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.26100.4654" />
+    <PackageReference Include="Microsoft.Windows.SDK.BuildTools" Version="10.0.28000.1839" />
   </ItemGroup>
 
 </Project>