diff --git a/package.json b/package.json
index f12ff6e..2e5cc5a 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,9 @@
     "grunt-contrib-internal": "^0.4.12",
     "grunt-contrib-nodeunit": "^0.4.1"
   },
+  "peerDependencies": {
+    "grunt": ">=0.4.0"
+  },
   "keywords": [
     "gruntplugin"
   ],