diff --git a/package.json b/package.json
index dabff7c..8064b29 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,7 @@
   "devDependencies": {
     "chai": "^3.5.0",
     "coffeelint": "^1.12.1",
-    "grunt": "^0.4.5",
+    "grunt": "^1.0.0",
     "grunt-cli": "^0.1.13",
     "grunt-coffeelint": "^0.0.15",
     "grunt-contrib-coffee": "^1.0.0",