diff --git a/package.json b/package.json
index 73e03c2..b71ffac 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,7 @@
     "vow": "~0.4.1"
   },
   "devDependencies": {
+    "grunt": "0.4.5",
     "grunt-cli": "~0.1.13",
     "grunt-contrib-jshint": "~0.11.2",
     "grunt-contrib-nodeunit": "~0.4.0",