diff --git a/project.clj b/project.clj
index 034b2cb..d0619dc 100644
--- a/project.clj
+++ b/project.clj
@@ -21,7 +21,8 @@
                                   [ring/ring-mock "0.3.2"]]
                    :plugins [[joshavg/lein-neo4j "0.3.0"]
                              [lein-less "1.7.5"]
-                             [lein-ring "0.9.7"]]}
+                             [lein-ring "0.9.7"]
+                             [lein-ancient "0.6.15"]]}
              :uberjar {:aot :all}}
 
   :ring {:handler wanijo.handler/app}