diff --git a/electron-builder.mas.yml b/electron-builder.mas.yml
index 609f0182..f2f37cc0 100644
--- a/electron-builder.mas.yml
+++ b/electron-builder.mas.yml
@@ -2,7 +2,7 @@ appId: social.whalebird.app
 productName: Whalebird
 copyright: Copyright © 2018 Akira Fukushima
 artifactName: "${productName}-${version}-${os}-${arch}.${ext}"
-buildVersion: "177"
+buildVersion: "178"
 directories:
   output: dist
   buildResources: resources
@@ -21,6 +21,7 @@ mas:
   extendInfo:
     ITSAppUsesNonExemptEncryption: "false"
   provisioningProfile: "profile/socialwhalebirdapp_MAS.provisionprofile"
+  minimumSystemVersion: "14.0"
 mac:
   icon: resources/icons/icon.icns
   target:
diff --git a/electron-builder.yml b/electron-builder.yml
index b53df8d8..5d3f3e56 100644
--- a/electron-builder.yml
+++ b/electron-builder.yml
@@ -25,6 +25,7 @@ mac:
   darkModeSupport: false
   notarize: false
   singleArchFiles: "*"
+  minimumSystemVersion: "14.0"
 win:
   icon: resources/icons/icon.ico
   target:
diff --git a/package.json b/package.json
index e58af181..1083666e 100644
--- a/package.json
+++ b/package.json
@@ -2,14 +2,14 @@
   "private": true,
   "name": "Whalebird",
   "description": "Electron based Fediverse client application",
-  "version": "6.1.0",
+  "version": "6.1.1",
   "author": "Akira Fukushima <h3.poteto@gmail.com>",
   "main": "app/background.js",
   "scripts": {
     "dev": "nextron",
     "build": "nextron build",
     "build:mas": "nextron build --config ./electron-builder.mas.yml",
-    "build:appx2": "nextron build --win --x64 && electron-windows-store --assets ./resources/icons --input-directory ./dist/win-unpacked --output-directory ./dist/appx --package-name Whalebird --package-display-name Whalebird --package-version 6.1.0.0 --publisher-display-name h3poteto --identity-name 45610h3poteto.Whalebird",
+    "build:appx2": "nextron build --win --x64 && electron-windows-store --assets ./resources/icons --input-directory ./dist/win-unpacked --output-directory ./dist/appx --package-name Whalebird --package-display-name Whalebird --package-version 6.1.1.0 --publisher-display-name h3poteto --identity-name 45610h3poteto.Whalebird",
     "postinstall": "electron-builder install-app-deps",
     "typecheck": "tsc -p renderer --noEmit && tsc -p main --noEmit",
     "lint": "eslint renderer --ext ts,tsx",