diff --git a/ProjectHeads/Head.WinAppSdk.props b/ProjectHeads/Head.WinAppSdk.props
index eb8d747..76c2833 100644
--- a/ProjectHeads/Head.WinAppSdk.props
+++ b/ProjectHeads/Head.WinAppSdk.props
@@ -9,6 +9,7 @@
     <EnableMsixTooling>true</EnableMsixTooling>
     <WindowsAppContainer>true</WindowsAppContainer>
     <ApplicationManifest>app.manifest</ApplicationManifest>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
 
   <Import Project="$(MSBuildThisFileDirectory)\..\MultiTarget\PackageReferences\WinAppSdk.props" />