diff --git a/libs/deploy_macos.sh b/libs/deploy_macos.sh
index fb2739f..ae43de3 100755
--- a/libs/deploy_macos.sh
+++ b/libs/deploy_macos.sh
@@ -29,6 +29,8 @@ pushd $BUILD
 macdeployqt nekoray.app -verbose=3
 popd
 
+codesign --force --deep --sign - $BUILD/nekoray.app
+
 #### pack dmg ###
 sudo npm install -g appdmg
 appdmg appdmg.json $DEST/nekoray.dmg
\ No newline at end of file
diff --git a/res/MacOSXBundleInfo.plist b/res/MacOSXBundleInfo.plist
index e06b17e..cc0b177 100644
--- a/res/MacOSXBundleInfo.plist
+++ b/res/MacOSXBundleInfo.plist
@@ -22,8 +22,6 @@
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
 	<string>${MACOSX_BUNDLE_SHORT_VERSION_STRING}</string>
-	<key>CFBundleSignature</key>
-	<string>????</string>
 	<key>CFBundleVersion</key>
 	<string>${MACOSX_BUNDLE_BUNDLE_VERSION}</string>
 	<key>CSResourcesFileMapped</key>