diff --git a/backend/package.json b/backend/package.json
index 94a8cb7..bdcc234 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -24,6 +24,9 @@
     "nodemon": "^3.1.7",
     "qrcode": "^1.5.3"
   },
+  "engines": {
+    "node": ">=16"
+  },
   "devDependencies": {
     "eslint": "^8.43.0"
   }