diff --git a/package.json b/package.json
index 3c85d4b..31ab13e 100644
--- a/package.json
+++ b/package.json
@@ -17,7 +17,7 @@
   "license": "MIT",
   "gitHead": "6b73d63c6a7c2de8f9d49cc406ab359c6a00f93a",
   "devDependencies": {
-    "grunt": "1.3.0",
+    "grunt": "1.5.3",
     "grunt-contrib-qunit": "4.0.0",
     "grunt-coveralls": "2.0.0",
     "grunt-qunit-istanbul": "1.1.0"