diff --git a/package.json b/package.json
index 27abc34f61..39af9e80aa 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "uglifyify": "^3.0.1"
   },
   "devEngines": {
-    "node": "4.x",
+    "node": "4.x || 5.x",
     "npm": "2.x || 3.x"
   },
   "commonerConfig": {