diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 78ad82c..2ab3b20 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -32,7 +32,7 @@
         "tailwind-merge": "^3.6.0",
         "vee-validate": "^4.14.7",
         "vue": "^3.5.34",
-        "vue-i18n": "^10.0.5",
+        "vue-i18n": "^11.4.4",
         "vue-router": "^4.5.0",
         "vue-sonner": "^1.3.0",
         "zod": "^3.23.8"
@@ -1159,44 +1159,61 @@
       }
     },
     "node_modules/@intlify/core-base": {
-      "version": "10.0.8",
-      "resolved": "https://registry.npmjs.org/@intlify/core-base/-/core-base-10.0.8.tgz",
-      "integrity": "sha512-FoHslNWSoHjdUBLy35bpm9PV/0LVI/DSv9L6Km6J2ad8r/mm0VaGg06C40FqlE8u2ADcGUM60lyoU7Myo4WNZQ==",
+      "version": "11.4.4",
+      "resolved": "https://registry.npmjs.org/@intlify/core-base/-/core-base-11.4.4.tgz",
+      "integrity": "sha512-w/vItlylrAmhebkIbVl5YY8XMCtj8Mb2g70ttxktMYuf5AuRahgEHL2iLgLIsZBIbTSgs4hkUo7ucCL0uTJvOg==",
       "license": "MIT",
       "dependencies": {
-        "@intlify/message-compiler": "10.0.8",
-        "@intlify/shared": "10.0.8"
+        "@intlify/devtools-types": "11.4.4",
+        "@intlify/message-compiler": "11.4.4",
+        "@intlify/shared": "11.4.4"
       },
       "engines": {
-        "node": ">= 16"
+        "node": ">= 22"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/kazupon"
+      }
+    },
+    "node_modules/@intlify/devtools-types": {
+      "version": "11.4.4",
+      "resolved": "https://registry.npmjs.org/@intlify/devtools-types/-/devtools-types-11.4.4.tgz",
+      "integrity": "sha512-PcBLmGmDQsTSVV911P8upzpcLJO1CNVYi/IH6bGnLR2nA+0L963+kXN1ZrisTEnbtw2ewN6HMMSldqzjronA0Q==",
+      "license": "MIT",
+      "dependencies": {
+        "@intlify/core-base": "11.4.4",
+        "@intlify/shared": "11.4.4"
+      },
+      "engines": {
+        "node": ">= 22"
       },
       "funding": {
         "url": "https://github.com/sponsors/kazupon"
       }
     },
     "node_modules/@intlify/message-compiler": {
-      "version": "10.0.8",
-      "resolved": "https://registry.npmjs.org/@intlify/message-compiler/-/message-compiler-10.0.8.tgz",
-      "integrity": "sha512-DV+sYXIkHVd5yVb2mL7br/NEUwzUoLBsMkV3H0InefWgmYa34NLZUvMCGi5oWX+Hqr2Y2qUxnVrnOWF4aBlgWg==",
+      "version": "11.4.4",
+      "resolved": "https://registry.npmjs.org/@intlify/message-compiler/-/message-compiler-11.4.4.tgz",
+      "integrity": "sha512-vn0OAV9pYkJlPPmgnsSm5eAG3mL0+9C/oaded2JY9jmxBbhmUXT3TcAUY8WRgLY9Hte7lkUJKpXrVlYjMXBD2w==",
       "license": "MIT",
       "dependencies": {
-        "@intlify/shared": "10.0.8",
+        "@intlify/shared": "11.4.4",
         "source-map-js": "^1.0.2"
       },
       "engines": {
-        "node": ">= 16"
+        "node": ">= 22"
       },
       "funding": {
         "url": "https://github.com/sponsors/kazupon"
       }
     },
     "node_modules/@intlify/shared": {
-      "version": "10.0.8",
-      "resolved": "https://registry.npmjs.org/@intlify/shared/-/shared-10.0.8.tgz",
-      "integrity": "sha512-BcmHpb5bQyeVNrptC3UhzpBZB/YHHDoEREOUERrmF2BRxsyOEuRrq+Z96C/D4+2KJb8kuHiouzAei7BXlG0YYw==",
+      "version": "11.4.4",
+      "resolved": "https://registry.npmjs.org/@intlify/shared/-/shared-11.4.4.tgz",
+      "integrity": "sha512-QRUCHqda1U6aR14FR0vvXD4+4gj6+fm0AhAozvSuRCw0fCvrmCugWpgiR4xH2NI6s8am6N9p5OhirplsX8ZS3g==",
       "license": "MIT",
       "engines": {
-        "node": ">= 16"
+        "node": ">= 22"
       },
       "funding": {
         "url": "https://github.com/sponsors/kazupon"
@@ -7402,18 +7419,18 @@
       }
     },
     "node_modules/vue-i18n": {
-      "version": "10.0.8",
-      "resolved": "https://registry.npmjs.org/vue-i18n/-/vue-i18n-10.0.8.tgz",
-      "integrity": "sha512-mIjy4utxMz9lMMo6G9vYePv7gUFt4ztOMhY9/4czDJxZ26xPeJ49MAGa9wBAE3XuXbYCrtVPmPxNjej7JJJkZQ==",
-      "deprecated": "v9 and v10 no longer supported. please migrate to v11. about maintenance status, see https://vue-i18n.intlify.dev/guide/maintenance.html",
+      "version": "11.4.4",
+      "resolved": "https://registry.npmjs.org/vue-i18n/-/vue-i18n-11.4.4.tgz",
+      "integrity": "sha512-gIbXVSFQV4jcSJxfwdZ5zSZmZ+12CnX0K3vBkRSd6Zn+HSzCp+QwUgPwpD/uN0oKNKI9RzlUXPKVedEuMgNG0A==",
       "license": "MIT",
       "dependencies": {
-        "@intlify/core-base": "10.0.8",
-        "@intlify/shared": "10.0.8",
+        "@intlify/core-base": "11.4.4",
+        "@intlify/devtools-types": "11.4.4",
+        "@intlify/shared": "11.4.4",
         "@vue/devtools-api": "^6.5.0"
       },
       "engines": {
-        "node": ">= 16"
+        "node": ">= 22"
       },
       "funding": {
         "url": "https://github.com/sponsors/kazupon"
diff --git a/frontend/package.json b/frontend/package.json
index ef4f269..55b480e 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -37,7 +37,7 @@
     "tailwind-merge": "^3.6.0",
     "vee-validate": "^4.14.7",
     "vue": "^3.5.34",
-    "vue-i18n": "^10.0.5",
+    "vue-i18n": "^11.4.4",
     "vue-router": "^4.5.0",
     "vue-sonner": "^1.3.0",
     "zod": "^3.23.8"