diff --git a/package.json b/package.json
index fd9d41f..44826cd 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "gunma-univ-gaming-edition",
     "description": "The browser extension of Gunma University Gaming Edition",
     "license": "MIT",
-    "version": "2.1.0",
+    "version": "2.1.1",
     "scripts": {
         "build": "pnpm run build-chrome",
         "build:dev": "pnpm run build-chrome:dev",
diff --git a/public/manifest_chrome.json b/public/manifest_chrome.json
index f8fdb3a..fc8088d 100644
--- a/public/manifest_chrome.json
+++ b/public/manifest_chrome.json
@@ -1,7 +1,7 @@
 {
     "manifest_version": 3,
     "name": "ゲーミング群馬大学 -Gaming Gunma University-",
-    "version": "2.1.0",
+    "version": "2.1.1",
     "description": "辺境の地にある群馬大学のウェブサイトをゲーミングでエキサイティングにします",
     "author": "shun819.mail@gmail.com",
     "permissions": ["storage", "tabs"],
diff --git a/public/manifest_firefox.json b/public/manifest_firefox.json
index ece26bd..8c4ad22 100644
--- a/public/manifest_firefox.json
+++ b/public/manifest_firefox.json
@@ -1,7 +1,7 @@
 {
     "manifest_version": 3,
     "name": "ゲーミング群馬大学 -Gaming Gunma University-",
-    "version": "2.1.0",
+    "version": "2.1.1",
     "description": "辺境の地にある群馬大学のウェブサイトをゲーミングでエキサイティングにします",
     "author": "shun819.mail@gmail.com",
     "permissions": ["storage", "tabs"],
@@ -22,7 +22,6 @@
         "default_title": "Gaming Gunma University",
         "default_popup": "popup.html"
     },
-
     "options_ui": {
         "page": "options.html",
         "open_in_tab": true