diff --git a/package.json b/package.json
index 525a948..66a8370 100644
--- a/package.json
+++ b/package.json
@@ -23,7 +23,7 @@
     "share"
   ],
   "engines": {
-    "node": ">=0.4.0",
+    "node": ">=4.0.0",
     "npm": ">=2.0.0"
   },
   "repository": "vweevers/node-docker-share",