diff --git a/package.json b/package.json
index 7436511..c5f499a 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "shelljs": "~0.3.0"
   },
   "peerDependencies": {
-    "grunt": "0.4.x"
+    "grunt": ">=0.4.0"
   },
   "devDependencies": {
     "grunt": "~0.4.1",