diff --git a/package.json b/package.json
index 87f9bee..e944127 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "logs": "firebase functions:log"
   },
   "engines": {
-    "node": "20"
+    "node": ">=18"
   },
   "main": "lib/index.js",
   "dependencies": {