diff --git a/package-lock.json b/package-lock.json
index 023f1b52..dd41d317 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -66,7 +66,7 @@
         "eslint-plugin-react-refresh": "^0.4.16",
         "globals": "^15.14.0",
         "i18next": "^25.3.0",
-        "i18next-browser-languagedetector": "^8.0.2",
+        "i18next-browser-languagedetector": "^8.2.0",
         "jotai": "^2.11.0",
         "jsonlint-mod": "^1.7.6",
         "katex": "^0.16.21",
@@ -11716,9 +11716,9 @@
       }
     },
     "node_modules/i18next-browser-languagedetector": {
-      "version": "8.0.2",
-      "resolved": "https://registry.npmjs.org/i18next-browser-languagedetector/-/i18next-browser-languagedetector-8.0.2.tgz",
-      "integrity": "sha512-shBvPmnIyZeD2VU5jVGIOWP7u9qNG3Lj7mpaiPFpbJ3LVfHZJvVzKR4v1Cb91wAOFpNw442N+LGPzHOHsten2g==",
+      "version": "8.2.0",
+      "resolved": "https://registry.npmjs.org/i18next-browser-languagedetector/-/i18next-browser-languagedetector-8.2.0.tgz",
+      "integrity": "sha512-P+3zEKLnOF0qmiesW383vsLdtQVyKtCNA9cjSoKCppTKPQVfKd2W8hbVo5ZhNJKDqeM7BOcvNoKJOjpHh4Js9g==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
diff --git a/package.json b/package.json
index 28118bfe..28b103b6 100644
--- a/package.json
+++ b/package.json
@@ -98,7 +98,7 @@
     "eslint-plugin-react-refresh": "^0.4.16",
     "globals": "^15.14.0",
     "i18next": "^25.3.0",
-    "i18next-browser-languagedetector": "^8.0.2",
+    "i18next-browser-languagedetector": "^8.2.0",
     "jotai": "^2.11.0",
     "jsonlint-mod": "^1.7.6",
     "katex": "^0.16.21",