diff --git a/package.json b/package.json
index 874c02c..5db85c5 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "grunt-contrib-jshint": "^0.11.3"
   },
   "peerDependencies": {
-    "grunt": "~0.4.5"
+    "grunt": ">=0.4.0"
   },
   "keywords": [
     "gruntplugin",