diff --git a/Wino.Mail.WinUI/Wino.Mail.WinUI.csproj b/Wino.Mail.WinUI/Wino.Mail.WinUI.csproj
index 217e9d54..a2fa7446 100644
--- a/Wino.Mail.WinUI/Wino.Mail.WinUI.csproj
+++ b/Wino.Mail.WinUI/Wino.Mail.WinUI.csproj
@@ -11,6 +11,9 @@
     <PublishProfile>win-$(Platform).pubxml</PublishProfile>
     <UseWinUI>true</UseWinUI>
     <EnableMsixTooling>true</EnableMsixTooling>
+    <!-- Bundle the Windows App SDK and .NET runtime into per-architecture MSIX outputs. -->
+    <WindowsAppSDKSelfContained>true</WindowsAppSDKSelfContained>
+    <SelfContained Condition="'$(RuntimeIdentifier)' != ''">true</SelfContained>
     <Nullable>enable</Nullable>
 	<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
 	<!-- Single instancing -->