diff --git a/static/nvd3/package.json b/static/nvd3/package.json
index 6e328d1..00f6e46 100644
--- a/static/nvd3/package.json
+++ b/static/nvd3/package.json
@@ -2,7 +2,7 @@
   "name": "nvd3",
   "version": "0.0.1",
   "devDependencies": {
-    "grunt": "~0.4.1",
+    "grunt": "~1.6.1",
     "grunt-contrib-jshint": "~0.3.0",
     "grunt-contrib-watch": "~0.3.1",
     "grunt-contrib-uglify": "~0.2.0",