diff --git a/package.json b/package.json
index 7ebe090..2fdee8d 100644
--- a/package.json
+++ b/package.json
@@ -85,5 +85,8 @@
     "env": {
       "mocha": true
     }
+  },
+  "engines": {
+    "node": ">= 0.12"
   }
 }