diff --git a/project.clj b/project.clj
index b208d9f..9aca071 100644
--- a/project.clj
+++ b/project.clj
@@ -1,6 +1,6 @@
 (defproject clojure-koans "0.5.1-SNAPSHOT"
   :description "The Clojure koans."
-  :dependencies [[org.clojure/clojure "1.5.1"]
+  :dependencies [[org.clojure/clojure "1.7.0"]
                  [koan-engine "0.2.3"]]
   :dev-dependencies [[lein-koan "0.1.3"]]
   :profiles {:dev {:dependencies [[lein-koan "0.1.3"]]}}