diff --git a/package.json b/package.json
index 69c07f8..f324c38 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "1.0.1",
   "devDependencies": {
     "coffeescript": "^2.5.1",
-    "grunt": "~1.3.0",
+    "grunt": "~1.5.3",
     "grunt-contrib-connect": "~3.0.0",
     "grunt-contrib-copy": "~1.0.0",
     "grunt-contrib-sass": "~2.0.0",