diff --git a/package-lock.json b/package-lock.json
index 3bbf825..c6f94e7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,7 +22,7 @@
         "ics": "^3.8.1",
         "react": "^18.2.0",
         "react-dom": "^18.2.0",
-        "react-i18next": "^15.1.0",
+        "react-i18next": "^16.0.0",
         "react-markdown": "^10.0.0",
         "react-router": "^6.22.0",
         "react-router-dom": "^6.22.0",
@@ -4202,16 +4202,17 @@
       }
     },
     "node_modules/react-i18next": {
-      "version": "15.7.4",
-      "resolved": "https://registry.npmjs.org/react-i18next/-/react-i18next-15.7.4.tgz",
-      "integrity": "sha512-nyU8iKNrI5uDJch0z9+Y5XEr34b0wkyYj3Rp+tfbahxtlswxSCjcUL9H0nqXo9IR3/t5Y5PKIA3fx3MfUyR9Xw==",
+      "version": "16.5.4",
+      "resolved": "https://registry.npmjs.org/react-i18next/-/react-i18next-16.5.4.tgz",
+      "integrity": "sha512-6yj+dcfMncEC21QPhOTsW8mOSO+pzFmT6uvU7XXdvM/Cp38zJkmTeMeKmTrmCMD5ToT79FmiE/mRWiYWcJYW4g==",
       "license": "MIT",
       "dependencies": {
-        "@babel/runtime": "^7.27.6",
-        "html-parse-stringify": "^3.0.1"
+        "@babel/runtime": "^7.28.4",
+        "html-parse-stringify": "^3.0.1",
+        "use-sync-external-store": "^1.6.0"
       },
       "peerDependencies": {
-        "i18next": ">= 23.4.0",
+        "i18next": ">= 25.6.2",
         "react": ">= 16.8.0",
         "typescript": "^5"
       },
@@ -4934,6 +4935,15 @@
         "browserslist": ">= 4.21.0"
       }
     },
+    "node_modules/use-sync-external-store": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.6.0.tgz",
+      "integrity": "sha512-Pp6GSwGP/NrPIrxVFAIkOQeyw8lFenOHijQWkUTrDvrF4ALqylP2C/KCkeS9dpUM3KvYRQhna5vt7IL95+ZQ9w==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
diff --git a/package.json b/package.json
index 1c1e97c..0fd0a9e 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "ics": "^3.8.1",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
-    "react-i18next": "^15.1.0",
+    "react-i18next": "^16.0.0",
     "react-markdown": "^10.0.0",
     "react-router": "^6.22.0",
     "react-router-dom": "^6.22.0",