diff --git a/package.json b/package.json
index 5a1405038..727c90323 100644
--- a/package.json
+++ b/package.json
@@ -43,6 +43,6 @@
   },
   "license": "MIT",
   "engines": {
-    "node": ">= 4.0.0"
+    "node": ">= 4.5.0"
   }
 }