diff --git a/package.json b/package.json
index 1918a36..ba4917c 100644
--- a/package.json
+++ b/package.json
@@ -20,12 +20,12 @@
   ],
   "main": "lockr.js",
   "devDependencies": {
-    "grunt-contrib-jshint": "~0.1.1",
-    "grunt-contrib-jasmine": "~0.6.1",
-    "grunt-contrib-watch": "~0.2.0",
-    "grunt-contrib-clean": "~0.4.0",
-    "grunt-contrib-uglify": "~0.2.7",
-    "grunt": "~0.4.0",
-    "grunt-cli": "~0.1.6"
+    "grunt-contrib-jshint": "~0.11.0",
+    "grunt-contrib-jasmine": "~1.0.0",
+    "grunt-contrib-watch": "~0.6.1",
+    "grunt-contrib-clean": "~0.7.0",
+    "grunt-contrib-uglify": "~0.11.1",
+    "grunt": "~0.4.5",
+    "grunt-cli": "~0.1.13"
   }
 }