diff --git a/package.json b/package.json
index f15c410..5aff756 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "node": "*"
   },
   "peerDependencies": {
-    "grunt": "~0.4.0"
+    "grunt": ">=0.4.0"
   },
   "devDependencies": {
     "grunt": "~0.4.0"