diff --git a/package.json b/package.json
index 43f2803..55be779 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "url": "https://github.com/phetsims/brand.git"
   },
   "devDependencies": {
-    "grunt": "~0.4.1",
+    "grunt": "~1.0.0",
     "grunt-eslint": "~17.2.0",
     "uglify-js": "~2.4.0",
     "requirejs": "~2.1.8"