diff --git a/package.json b/package.json
index 5b116dd..c15d60b 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "body-parser": "^1.12.4",
     "consolidate": "^0.15.1",
     "express": "^4.12.3",
-    "grunt": "~1.0.4",
+    "grunt": "~1.5.3",
     "grunt-cli": "^1.3.2",
     "grunt-contrib-clean": "~2.0.0",
     "grunt-contrib-concat": "~1.0.1",