diff --git a/package.json b/package.json
index 82031d6..b868103 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "grunt-contrib-nodeunit": "^0.4.1"
   },
   "peerDependencies": {
-    "grunt": "^0.4.5"
+    "grunt": ">= 0.4.5"
   },
   "keywords": [
     "gruntplugin",