diff --git a/package.json b/package.json
index e782b62..796f5cb 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
   "author": "Carlos Morell",
   "engines": {
     "node": "0.10.x",
-    "npm": "1.2.x"
+    "npm": "1.4.x"
   },
   "scripts": {
     "start": "node node_modules/grunt-cli/bin/grunt",