diff --git a/.functions/package.json b/.functions/package.json
index 8710557..24c3ceb 100644
--- a/.functions/package.json
+++ b/.functions/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "description": "SSR for Storefront on Firebase with Cloud Functions",
   "engines": {
-    "node": "14"
+    "node": "14.21.3"
   },
   "main": "index.js",
   "dependencies": {