```clojure
(defproject ring/ring-core "0.3.2"
  :description "Ring core libraries."
  :url "http://github.com/mmcgrana/ring"
  :dependencies [[org.clojure/clojure "1.2.0"]
                 [org.clojure/clojure-contrib "1.2.0"]
                 [commons-codec "1.4"]
                 [commons-io "1.4"]
                 [commons-fileupload "1.2.1"]
                 [javax.servlet/servlet-api "2.5"]])
```

Make contrib a dev dependency for session tests.
user
```clojure
(defproject ring/ring-core "0.3.2"
  :description "Ring core libraries."
  :url "http://github.com/mmcgrana/ring"
  :dependencies [[org.clojure/clojure "1.2.0"]
                 [commons-codec "1.4"]
                 [commons-io "1.4"]
                 [commons-fileupload "1.2.1"]
                 [javax.servlet/servlet-api "2.5"]]
  :dev-dependencies [[org.clojure/clojure-contrib "1.2.0"]])
```
assistant