diff --git a/package.json b/package.json
index a10619e12..151595504 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "grunt-banner": "~0.6.0",
     "grunt-contrib-clean": "~0.6.0",
     "grunt-contrib-compress": "~1.5.0",
-    "grunt-contrib-concat": "~0.5.0",
+    "grunt-contrib-concat": "~1.0.1",
     "grunt-contrib-copy": "^0.8.2",
     "grunt-contrib-csslint": "~2.0.0",
     "grunt-contrib-cssmin": "~0.11.0",