diff --git a/package.json b/package.json
index b405201..45422e9 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "png"
   ],
   "engines": {
-    "node": ">=0.10"
+    "node": ">= 4"
   },
   "files": [
     "lib",