diff --git a/functions/package.json b/functions/package.json
index 7773290..51ee4f1 100644
--- a/functions/package.json
+++ b/functions/package.json
@@ -13,7 +13,7 @@
   },
   "main": "lib/index.js",
   "dependencies": {
-    "firebase-admin": "8.12.1",
+    "firebase-admin": "9.9.0",
     "firebase-functions": "3.6.1"
   },
   "devDependencies": {