diff --git a/package.json b/package.json
index 36d234da..325da354 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
     "uid2": "0.0.3"
   },
   "devDependencies": {
+    "electron-osx-sign": "^0.4.0-beta4",
     "eslint": "2.13.1",
     "eslint-config-standard": "5.3.1",
     "eslint-plugin-promise": "1.3.2",
diff --git a/package.sh b/package.sh
index 8d0e17dd..7cf76326 100755
--- a/package.sh
+++ b/package.sh
@@ -16,7 +16,12 @@ npm run build
 cd -
 cp app/index.html build/
 cp -r app/dist build/
-electron-packager ./ --platform=darwin --out=dist --arch=x64 --app-bundle-id="co.zeit.hyperterm" --app-version="$VERSION" --osx-sign --icon=static/icon.icns --prune --ignore=app
+
+# electron-packager ./ --platform=darwin --out=dist --arch=x64 --app-bundle-id="co.zeit.hyperterm" --app-version="$VERSION" --osx-sign --icon=static/icon.icns --prune --ignore=app
+# without --osx-sign:
+electron-packager ./ --platform=darwin --out=dist --arch=x64 --app-bundle-id="co.zeit.hyperterm" --app-version="$VERSION" --icon=static/icon.icns --prune --ignore=app
+electron-osx-sign dist/HyperTerm-darwin-x64/HyperTerm.app --identity=88R8DU787Z
+
 rm -rf ./build/
 npm install bestzip@1.1.2
 cd dist/HyperTerm-darwin-x64/