diff --git a/package.json b/package.json
index 895935d..f33f7ca 100644
--- a/package.json
+++ b/package.json
@@ -16,12 +16,12 @@
     "plugabble"
   ],
   "dependencies": {
-    "async": "~0.2.9",
+    "async": "~0.9.0",
     "ini": "1.x.x",
     "optimist": "~0.6.0"
   },
   "devDependencies": {
-    "vows": "0.7.x"
+    "vows": "0.8.x"
   },
   "main": "./lib/nconf",
   "scripts": {