diff --git a/src/OpenClaw.Tray.WinUI/OpenClaw.Tray.WinUI.csproj b/src/OpenClaw.Tray.WinUI/OpenClaw.Tray.WinUI.csproj
index b987303..72453d4 100644
--- a/src/OpenClaw.Tray.WinUI/OpenClaw.Tray.WinUI.csproj
+++ b/src/OpenClaw.Tray.WinUI/OpenClaw.Tray.WinUI.csproj
@@ -53,7 +53,7 @@
 
   <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" />
     <PackageReference Include="WinUIEx" Version="2.9.0" />
     <PackageReference Include="Microsoft.Toolkit.Uwp.Notifications" Version="7.1.3" />
     <PackageReference Include="System.Diagnostics.PerformanceCounter" Version="10.0.0" />
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>
diff --git a/tests/OpenClaw.Tray.UITests/OpenClaw.Tray.UITests.csproj b/tests/OpenClaw.Tray.UITests/OpenClaw.Tray.UITests.csproj
index 6b37f8f..c121c90 100644
--- a/tests/OpenClaw.Tray.UITests/OpenClaw.Tray.UITests.csproj
+++ b/tests/OpenClaw.Tray.UITests/OpenClaw.Tray.UITests.csproj
@@ -36,7 +36,7 @@
 
   <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>
 
   <ItemGroup>