diff --git a/package.json b/package.json
index 83f7fda..7c47c8d 100644
--- a/package.json
+++ b/package.json
@@ -28,13 +28,13 @@
     "test": "grunt test"
   },
   "devDependencies": {
-    "grunt-contrib-jshint": "~0.1.1",
-    "grunt-contrib-clean": "~0.4.0",
-    "grunt-contrib-nodeunit": "~0.1.2",
-    "grunt": "~0.4.1"
+    "grunt-contrib-jshint": "2.1.0",
+    "grunt-contrib-clean": "2.0.0",
+    "grunt-contrib-nodeunit": "2.1.0",
+    "grunt": "1.5.3"
   },
   "peerDependencies": {
-    "grunt": "~0.4.1"
+    "grunt": "1.5.3"
   },
   "keywords": [
     "gruntplugin"