diff --git a/leiningen-core/project.clj b/leiningen-core/project.clj
index 56dc4f3f..b5818e4a 100644
--- a/leiningen-core/project.clj
+++ b/leiningen-core/project.clj
@@ -3,7 +3,7 @@
   :license {:name "Eclipse Public License"
             :url "http://www.eclipse.org/legal/epl-v10.html"}
   :description "Library for core functionality of Leiningen."
-  :dependencies [[org.clojure/clojure "1.4.0"]
+  :dependencies [[org.clojure/clojure "1.5.1"]
                  [bultitude "0.2.1" :exclusions [dynapath]]
                  [classlojure "0.6.6"]
                  [useful "0.8.6"]