diff --git a/package.json b/package.json
index 497c050..f366013 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "url": "git://github.com/tadatuta-studio/basul-rf.git"
   },
   "engines": {
-    "node": ">=0.10"
+    "node": ">= 4"
   },
   "dependencies": {
     "bower": "^1.6.5"