diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9446671368a..399df45df64 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -3834,8 +3834,8 @@ importers:
         specifier: 25.2.1
         version: 25.2.1(typescript@5.6.3)
       i18next-browser-languagedetector:
-        specifier: 8.1.0
-        version: 8.1.0
+        specifier: 8.2.0
+        version: 8.2.0
       react:
         specifier: ^19.2.0
         version: 19.2.0
@@ -3862,8 +3862,8 @@ importers:
         specifier: 25.2.1
         version: 25.2.1(typescript@5.6.3)
       i18next-browser-languagedetector:
-        specifier: 8.1.0
-        version: 8.1.0
+        specifier: 8.2.0
+        version: 8.2.0
       react:
         specifier: ^19.2.0
         version: 19.2.0
@@ -3893,8 +3893,8 @@ importers:
         specifier: 25.2.1
         version: 25.2.1(typescript@5.6.3)
       i18next-browser-languagedetector:
-        specifier: 8.1.0
-        version: 8.1.0
+        specifier: 8.2.0
+        version: 8.2.0
       react:
         specifier: ^19.2.0
         version: 19.2.0
@@ -3921,8 +3921,8 @@ importers:
         specifier: 25.2.1
         version: 25.2.1(typescript@5.6.3)
       i18next-browser-languagedetector:
-        specifier: 8.1.0
-        version: 8.1.0
+        specifier: 8.2.0
+        version: 8.2.0
       react:
         specifier: ^19.2.0
         version: 19.2.0
@@ -12229,8 +12229,8 @@ packages:
     resolution: {integrity: sha512-Y93lCzHYgGWdrJ66yIktxiaGULYc6oGiABxhcO5AufBeOyoIdZF7bIfLaOrbM0iGIOXQQgxxRrFEnb+Y6w1n4A==}
     engines: {node: '>=10.18'}
 
-  i18next-browser-languagedetector@8.1.0:
-    resolution: {integrity: sha512-mHZxNx1Lq09xt5kCauZ/4bsXOEA2pfpwSoU11/QTJB+pD94iONFwp+ohqi///PwiFvjFOxe1akYCdHyFo1ng5Q==}
+  i18next-browser-languagedetector@8.2.0:
+    resolution: {integrity: sha512-P+3zEKLnOF0qmiesW383vsLdtQVyKtCNA9cjSoKCppTKPQVfKd2W8hbVo5ZhNJKDqeM7BOcvNoKJOjpHh4Js9g==}
 
   i18next@25.2.1:
     resolution: {integrity: sha512-+UoXK5wh+VlE1Zy5p6MjcvctHXAhRwQKCxiJD8noKZzIXmnAX8gdHX5fLPA3MEVxEN4vbZkQFy8N0LyD9tUqPw==}
@@ -12335,6 +12335,7 @@ packages:
 
   intersection-observer@0.10.0:
     resolution: {integrity: sha512-fn4bQ0Xq8FTej09YC/jqKZwtijpvARlRp6wxL5WTA6yPe2YWSJ5RJh7Nm79rK2qB0wr6iDQzH60XGq5V/7u8YQ==}
+    deprecated: The Intersection Observer polyfill is no longer needed and can safely be removed. Intersection Observer has been Baseline since 2019.
 
   intl@1.2.5:
     resolution: {integrity: sha512-rK0KcPHeBFBcqsErKSpvZnrOmWOj+EmDkyJ57e90YWaQNqbcivcqmKDlHEeNprDWOsKzPsh1BfSpPQdDvclHVw==}
@@ -24625,7 +24626,7 @@ snapshots:
 
   hyperdyperid@1.2.0: {}
 
-  i18next-browser-languagedetector@8.1.0:
+  i18next-browser-languagedetector@8.2.0:
     dependencies:
       '@babel/runtime': 7.28.4
 
diff --git a/tests/integration/i18n/app-csr/package.json b/tests/integration/i18n/app-csr/package.json
index 66b0dc586cf..9837030b17b 100644
--- a/tests/integration/i18n/app-csr/package.json
+++ b/tests/integration/i18n/app-csr/package.json
@@ -10,7 +10,7 @@
     "react-i18next": "15.5.2",
     "@modern-js/runtime": "workspace:*",
     "@modern-js/plugin-i18n": "workspace:*",
-    "i18next-browser-languagedetector": "8.1.0",
+    "i18next-browser-languagedetector": "8.2.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0"
   },
diff --git a/tests/integration/i18n/app-ssr/package.json b/tests/integration/i18n/app-ssr/package.json
index 0e084200339..7fbcfa2e87c 100644
--- a/tests/integration/i18n/app-ssr/package.json
+++ b/tests/integration/i18n/app-ssr/package.json
@@ -11,7 +11,7 @@
     "react-i18next": "15.5.2",
     "@modern-js/runtime": "workspace:*",
     "@modern-js/plugin-i18n": "workspace:*",
-    "i18next-browser-languagedetector": "8.1.0",
+    "i18next-browser-languagedetector": "8.2.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0"
   },
diff --git a/tests/integration/i18n/routes-csr/package.json b/tests/integration/i18n/routes-csr/package.json
index 59d5b6ecb51..78000a6044b 100644
--- a/tests/integration/i18n/routes-csr/package.json
+++ b/tests/integration/i18n/routes-csr/package.json
@@ -10,7 +10,7 @@
     "react-i18next": "15.5.2",
     "@modern-js/runtime": "workspace:*",
     "@modern-js/plugin-i18n": "workspace:*",
-    "i18next-browser-languagedetector": "8.1.0",
+    "i18next-browser-languagedetector": "8.2.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0"
   },
diff --git a/tests/integration/i18n/routes-ssr/package.json b/tests/integration/i18n/routes-ssr/package.json
index 4a6c466943f..b23537c9c21 100644
--- a/tests/integration/i18n/routes-ssr/package.json
+++ b/tests/integration/i18n/routes-ssr/package.json
@@ -11,7 +11,7 @@
     "react-i18next": "15.5.2",
     "@modern-js/runtime": "workspace:*",
     "@modern-js/plugin-i18n": "workspace:*",
-    "i18next-browser-languagedetector": "8.1.0",
+    "i18next-browser-languagedetector": "8.2.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0"
   },