diff --git a/package.json b/package.json
index d9ba9c6..9eacf42 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "swig": "~1.0.0-pre3"
   },
   "peerDependencies": {
-    "grunt": "~0.4.1"
+    "grunt": ">=0.4.0"
   },
   "keywords": [
     "gruntplugin",