diff --git a/package.json b/package.json
index 7eb0802..b05fcfe 100644
--- a/package.json
+++ b/package.json
@@ -19,5 +19,8 @@
   },
   "devDependencies": {
     "nodemon": "^1.14.11"
+  },
+  "engines": {
+    "node": "8"
   }
 }