diff --git a/README.md b/README.md
index 25b769a..88f81bc 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ This is an up-to-date twitter API wrapper that is based on the clojure http.asyn
 
 ##Leiningen
 
-###NOTE: this library is fully tested under Clojure 1.3
+###NOTE: this library is fully tested under Clojure 1.4
 
 Just add the following to your project.clj file in the _dependencies_ section:
 
diff --git a/project.clj b/project.clj
index 7d2034f..b9765a4 100644
--- a/project.clj
+++ b/project.clj
@@ -2,7 +2,7 @@
   :description "full twitter interface"
   :plugins [[lein-clojars "0.7.0"]
             [lein-swank "1.4.4"]]
-  :dependencies [[org.clojure/clojure "1.3.0"]
+  :dependencies [[org.clojure/clojure "1.4.0"]
                  [org.clojure/data.json "0.2.1"]
                  [http.async.client "0.4.5"]
                  [org.clojars.adamwynne/clj-oauth "1.2.13"]])