diff --git a/package-lock.json b/package-lock.json
index dc07410d..9e965378 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "Whalebird",
-  "version": "4.1.3",
+  "version": "4.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 69c422ea..4635cd69 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "Whalebird",
-  "version": "4.1.3",
+  "version": "4.2.0",
   "author": "AkiraFukushima <h3.poteto@gmail.com>",
   "description": "An Electron based Mastodon client for Windows, Mac and Linux",
   "license": "MIT",
@@ -16,7 +16,7 @@
   },
   "config": {
     "buildVersion": "98",
-    "appVersion": "4.1.3"
+    "appVersion": "4.2.0"
   },
   "main": "./dist/electron/main.js",
   "scripts": {
@@ -31,7 +31,7 @@
     "build:linux": "npm run build && npm run package:linux",
     "build:win32": "npm run build && npm run package:win32",
     "build:win64": "npm run build && npm run package:win64",
-    "build:mas": "npm run build:clean && npm run pack && electron-packager ./ 'Whalebird' --platform=mas --arch=x64 --electron-version=9.0.3 --asar.unpackDir='build/sounds' --out=packages --ignore='^/src' --ignore='^/.electron-vue' --ignore='^/.envrc' --ignore='^/packages' --ignore='^/plist' --ignore='^/static' --ignore='^/whalebird.db' --ignore='^/screenshot.png' --prune=true --icon=./build/icons/icon.icns --overwrite --app-bundle-id=org.whalebird.desktop --app-version=$npm_package_config_appVersion --build-version=$npm_package_config_buildVersion --extend-info='./plist/team.plist' --osx-sign --app-category-type=public.app-category.social-networking",
+    "build:mas": "npm run build:clean && npm run pack && electron-packager ./ 'Whalebird' --platform=mas --arch=x64 --electron-version=9.1.0 --asar.unpackDir='build/sounds' --out=packages --ignore='^/src' --ignore='^/.electron-vue' --ignore='^/.envrc' --ignore='^/packages' --ignore='^/plist' --ignore='^/static' --ignore='^/whalebird.db' --ignore='^/screenshot.png' --prune=true --icon=./build/icons/icon.icns --overwrite --app-bundle-id=org.whalebird.desktop --app-version=$npm_package_config_appVersion --build-version=$npm_package_config_buildVersion --extend-info='./plist/team.plist' --osx-sign --app-category-type=public.app-category.social-networking",
     "package:mac": "electron-builder --mac --x64",
     "package:linux": "electron-builder --linux",
     "package:win32": "electron-builder --win --ia32",