diff --git a/functions/package.json b/functions/package.json
index 06c2f2a504..8cf02415eb 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -36,7 +36,7 @@
     "firebase-admin": "^12.7.0",
     "firebase-functions": "^5.0.1",
     "handlebars": "^4.7.8",
-    "i18next": "^23.16.4",
+    "i18next": "^24.0.2",
     "ical-generator": "^8.0.1",
     "jsonwebtoken": "^9.0.2",
     "koa": "^2.15.3",
diff --git a/functions/yarn.lock b/functions/yarn.lock
index d0dc35f811..662234ac42 100644
--- a/functions/yarn.lock
+++ b/functions/yarn.lock
@@ -5583,10 +5583,10 @@ humanize-ms@^1.2.1:
   dependencies:
     ms "^2.0.0"
 
-i18next@*, i18next@^23.16.4:
-  version "23.16.4"
-  resolved "https://registry.yarnpkg.com/i18next/-/i18next-23.16.4.tgz#79c07544f6d6fa803fe8427108d547542c1d6cf4"
-  integrity sha512-9NIYBVy9cs4wIqzurf7nLXPyf3R78xYbxExVqHLK9od3038rjpyOEzW+XB130kZ1N4PZ9inTtJ471CRJ4Ituyg==
+i18next@*, i18next@^24.0.2:
+  version "24.0.2"
+  resolved "https://registry.yarnpkg.com/i18next/-/i18next-24.0.2.tgz#00ee14417675e5733902d60e0bbd424c1ecd2a5f"
+  integrity sha512-D88xyIGcWAKwBTAs4RSqASi8NXR/NhCVSTM4LDbdoU8qb/5dcEZjNCLDhtQBB7Epw/Cp1w2vH/3ujoTbqLSs5g==
   dependencies:
     "@babel/runtime" "^7.23.2"