diff --git a/package.json b/package.json
index 1f5e6c93fa..557ffc202b 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "flexboxgrid": "^6.3.1",
     "flexboxgrid-helpers": "^1.1.3",
     "hastscript": "^9.0.0",
-    "i18next": "^23.11.2",
+    "i18next": "^25.0.0",
     "i18next-browser-languagedetector": "^8.0.0",
     "java-slang": "^1.0.13",
     "js-cookie": "^3.0.5",
diff --git a/yarn.lock b/yarn.lock
index bdc58315d1..c0d927e525 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1436,6 +1436,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/runtime@npm:^7.27.1":
+  version: 7.27.6
+  resolution: "@babel/runtime@npm:7.27.6"
+  checksum: 10c0/89726be83f356f511dcdb74d3ea4d873a5f0cf0017d4530cb53aa27380c01ca102d573eff8b8b77815e624b1f8c24e7f0311834ad4fb632c90a770fda00bd4c8
+  languageName: node
+  linkType: hard
+
 "@babel/template@npm:^7.22.15, @babel/template@npm:^7.26.9, @babel/template@npm:^7.27.0, @babel/template@npm:^7.3.3":
   version: 7.27.0
   resolution: "@babel/template@npm:7.27.0"
@@ -7321,7 +7328,7 @@ __metadata:
     hastscript: "npm:^9.0.0"
     https-browserify: "npm:^1.0.0"
     husky: "npm:^9.0.0"
-    i18next: "npm:^23.11.2"
+    i18next: "npm:^25.0.0"
     i18next-browser-languagedetector: "npm:^8.0.0"
     identity-obj-proxy: "npm:^3.0.0"
     java-slang: "npm:^1.0.13"
@@ -8031,12 +8038,17 @@ __metadata:
   languageName: node
   linkType: hard
 
-"i18next@npm:^23.11.2":
-  version: 23.11.2
-  resolution: "i18next@npm:23.11.2"
+"i18next@npm:^25.0.0":
+  version: 25.2.1
+  resolution: "i18next@npm:25.2.1"
   dependencies:
-    "@babel/runtime": "npm:^7.23.2"
-  checksum: 10c0/1d33cc53eaa9e078534f8cf7fb2b79be5ec4314555ad1dafc5a5ff367b79ed1a735e9d17452f7bcc11777344e90613ebcf44ebc823e63c1036a6c26c35db014a
+    "@babel/runtime": "npm:^7.27.1"
+  peerDependencies:
+    typescript: ^5
+  peerDependenciesMeta:
+    typescript:
+      optional: true
+  checksum: 10c0/9e8817bdb930c15467ba31edfd834dcfc0a8979bb04f089b8249547a5c50ded820c1cce224563fc1dfe0a6f51e67e0e2d5231fb80a50fd7bd95320f120dfd0ae
   languageName: node
   linkType: hard