diff --git a/package.json b/package.json
index b48521c..b983e01 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "lodash": "~2.4.1"
   },
   "peerDependencies": {
-    "grunt": "0.4.x"
+    "grunt": ">=0.4.0"
   },
   "devDependencies": {
     "eslint": "^1.10.3",