diff --git a/package.json b/package.json
index bc466ab..db633a7 100644
--- a/package.json
+++ b/package.json
@@ -33,19 +33,9 @@
     "delegates": "0.0.3"
   },
   "devDependencies": {
-    "bytes": "~0.2.1",
-    "should": "~2.1.0",
+    "should": "~3.1.0",
     "mocha": "~1.17.0",
-    "supertest": "~0.8.1",
-    "co-fs": "~1.1",
-    "co-views": "~0.1.0",
-    "ejs": "~0.8.4",
-    "koa-logger": "~1.1.0",
-    "koa-static": "~1.4.0",
-    "co-busboy": "~0.1.0",
-    "koa-route": "~1.0.2",
-    "swig": "~1.2.0",
-    "co-body": "0.0.1"
+    "supertest": "~0.9.0"
   },
   "engines": {
     "node": ">= 0.11.9"