diff --git a/Source/McBopomofo-Info.plist b/Source/McBopomofo-Info.plist
index 9224bd47..330780ae 100644
--- a/Source/McBopomofo-Info.plist
+++ b/Source/McBopomofo-Info.plist
@@ -102,7 +102,7 @@
 	<key>LSHasLocalizedDisplayName</key>
 	<true/>
 	<key>LSMinimumSystemVersion</key>
-	<string>10.5</string>
+	<string>${MACOSX_DEPLOYMENT_TARGET}</string>
 	<key>LSUIElement</key>
 	<true/>
 	<key>NSHumanReadableCopyright</key>