diff --git a/package.json b/package.json
index 4227db5..1197856 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
     "url": "https://github.com/stormpath/stormpath-sdk-angularjs.git"
   },
   "devDependencies": {
-    "grunt-contrib-concat": "^0.5.1",
+    "grunt-contrib-concat": "^1.0.1",
     "grunt": "^0.4.5",
     "load-grunt-tasks": "^3.4.0",
     "grunt-contrib-uglify": "^0.11.0",