diff --git a/package.json b/package.json
index 737cabc..8db7f27 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,7 @@
     "transacemail"
   ],
   "devDependencies": {
-    "grunt": "~0.3.15",
+    "grunt": "~1.0.4",
     "nodeunit": "~0.7.4",
     "grunt-shell": "~0.1.4"
   }