diff --git a/package.json b/package.json
index a553eb1..10764a6 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
     "multipart"
   ],
   "engines": {
-    "node": ">=4.0.0"
+    "node": ">=4.3.1"
   },
   "dependencies": {
     "boom": "3.x.x",