diff --git a/build/package.json b/build/package.json
index 781719b1..7627d2f6 100644
--- a/build/package.json
+++ b/build/package.json
@@ -18,7 +18,7 @@
     "node": ">= 0.8.0"
   },
   "dependencies": {
-    "grunt": "~0.4.1",
+    "grunt": "~1.0.3",
     "grunt-contrib-uglify": "~0.2.0"
   },
   "devDependencies": {