diff --git a/package.json b/package.json
index 5296637..08d4843 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "grunt-banner": "^0.2.3",
     "grunt-coffeelint": "0.0.10",
     "grunt-concurrent": "^0.4.3",
-    "grunt-contrib-clean": "~0.5.0",
+    "grunt-contrib-clean": "~1.1.0",
     "grunt-contrib-coffee": "^0.7.0",
     "grunt-contrib-connect": "^0.5.0",
     "grunt-contrib-copy": "^0.4.1",