diff --git a/package-lock.json b/package-lock.json
index 69751eb5..2e7fdebf 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,7 +11,7 @@
       "dependencies": {
         "localforage": "^1.10.0",
         "vue": "^2.7.15",
-        "vue-i18n": "^8.27.2"
+        "vue-i18n": "^11.1.0"
       },
       "devDependencies": {
         "ava": "^5.3.1",
@@ -251,6 +251,50 @@
         "url": "/~https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/@intlify/core-base": {
+      "version": "11.1.0",
+      "resolved": "https://registry.npmjs.org/@intlify/core-base/-/core-base-11.1.0.tgz",
+      "integrity": "sha512-5KFrnfgcv4cVWzA1RC4HqMHYEWSD/69GQU7wpKJ2l6mA6ggqEjb9NJN5VJNJvP2mU5y8MAGwXLAJXJo5sbIkMQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@intlify/message-compiler": "11.1.0",
+        "@intlify/shared": "11.1.0"
+      },
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "/~https://github.com/sponsors/kazupon"
+      }
+    },
+    "node_modules/@intlify/message-compiler": {
+      "version": "11.1.0",
+      "resolved": "https://registry.npmjs.org/@intlify/message-compiler/-/message-compiler-11.1.0.tgz",
+      "integrity": "sha512-UuV1YwWPBNgL4uqtC1vZPHF2QtYYqVeCDIsbV6JC6Vv90UWmEiU77U7EZmNVVV7DepT83Ow5MaF1CiWI77b61w==",
+      "license": "MIT",
+      "dependencies": {
+        "@intlify/shared": "11.1.0",
+        "source-map-js": "^1.0.2"
+      },
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "/~https://github.com/sponsors/kazupon"
+      }
+    },
+    "node_modules/@intlify/shared": {
+      "version": "11.1.0",
+      "resolved": "https://registry.npmjs.org/@intlify/shared/-/shared-11.1.0.tgz",
+      "integrity": "sha512-DvpNSxiMrFqYMaGSRDDnQgO/L0MqNH4KWw9CUx8LRHHIdWp08En9DpmSRNpauUOxKpHAhyJJxx92BHZk9J84EQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "/~https://github.com/sponsors/kazupon"
+      }
+    },
     "node_modules/@jridgewell/gen-mapping": {
       "version": "0.3.3",
       "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.3.tgz",
@@ -687,6 +731,12 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/@vue/devtools-api": {
+      "version": "6.6.4",
+      "resolved": "https://registry.npmjs.org/@vue/devtools-api/-/devtools-api-6.6.4.tgz",
+      "integrity": "sha512-sGhTPMuXqZ1rVOk32RylztWkfXTRhuS7vgAKv0zjqk8gbsHkJ7xfFf+jbySxt7tWObEJwyKaHMikV/WGDiQm8g==",
+      "license": "MIT"
+    },
     "node_modules/@webassemblyjs/ast": {
       "version": "1.11.6",
       "resolved": "https://registry.npmjs.org/@webassemblyjs/ast/-/ast-1.11.6.tgz",
@@ -10300,9 +10350,24 @@
       }
     },
     "node_modules/vue-i18n": {
-      "version": "8.27.2",
-      "resolved": "https://registry.npmjs.org/vue-i18n/-/vue-i18n-8.27.2.tgz",
-      "integrity": "sha512-QVzn7u2WVH8F7eSKIM00lujC7x1mnuGPaTnDTmB01Hd709jDtB9kYtBqM+MWmp5AJRx3gnqAdZbee9MelqwFBg=="
+      "version": "11.1.0",
+      "resolved": "https://registry.npmjs.org/vue-i18n/-/vue-i18n-11.1.0.tgz",
+      "integrity": "sha512-UgtYUe99mLfo7ya5TJSsJcgJZaqIunwXjff5UA03xRry0VtgN4zIUbuoycK9/ZZQJg5Cmr6V6zq+u0H0P0hlNw==",
+      "license": "MIT",
+      "dependencies": {
+        "@intlify/core-base": "11.1.0",
+        "@intlify/shared": "11.1.0",
+        "@vue/devtools-api": "^6.5.0"
+      },
+      "engines": {
+        "node": ">= 16"
+      },
+      "funding": {
+        "url": "/~https://github.com/sponsors/kazupon"
+      },
+      "peerDependencies": {
+        "vue": "^3.0.0"
+      }
     },
     "node_modules/vue-loader": {
       "version": "17.0.0",
diff --git a/package.json b/package.json
index a29fc63b..1cf9d055 100644
--- a/package.json
+++ b/package.json
@@ -98,7 +98,7 @@
   "dependencies": {
     "localforage": "^1.10.0",
     "vue": "^2.7.15",
-    "vue-i18n": "^8.27.2"
+    "vue-i18n": "^11.1.0"
   },
   "devDependencies": {
     "ava": "^5.3.1",