diff --git a/package.json b/package.json
index 7ab48ab5d..23fb3d107 100644
--- a/package.json
+++ b/package.json
@@ -17,10 +17,10 @@
   },
   "devDependencies": {
     "grunt": "~0.4.1",
-    "grunt-bump": "~0.0.0",
-    "grunt-concurrent": "~0.1.1",
+    "grunt-bump": "~0.0.2",
+    "grunt-concurrent": "~0.2.0",
     "grunt-contrib-clean": "~0.4.1",
-    "grunt-contrib-coffee": "~0.6.6",
+    "grunt-contrib-coffee": "~0.6.7",
     "grunt-contrib-compress": "~0.4.10",
     "grunt-contrib-concat": "~0.2.0",
     "grunt-contrib-copy": "~0.4.1",