diff --git a/package.json b/package.json
index cfc5f56d0..76d00a25f 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "test": "grunt test"
   },
   "devDependencies": {
-    "grunt": "^0.4.5",
+    "grunt": "^1.6.1",
     "grunt-autoprefixer": "^3.0.0",
     "grunt-banner": "^0.6.0",
     "grunt-contrib-clean": "^1.0.0",