diff --git a/package.json b/package.json
index b1a69ca..ffcd5a7 100644
--- a/package.json
+++ b/package.json
@@ -26,9 +26,9 @@
   },
   "devDependencies": {
     "grunt": "~0.4.5",
-    "grunt-contrib-clean": "^0.5.0",
-    "grunt-contrib-jshint": "^0.9.2",
-    "grunt-contrib-nodeunit": "^0.3.3"
+    "grunt-contrib-clean": "^0.6.0",
+    "grunt-contrib-jshint": "^0.11.2",
+    "grunt-contrib-nodeunit": "^0.4.1"
   },
   "peerDependencies": {
     "grunt": "~0.4.5"