diff --git a/project.clj b/project.clj
index 3f9ae9b28..b08444328 100644
--- a/project.clj
+++ b/project.clj
@@ -14,6 +14,7 @@
                  [cljsjs/react "0.14.3-0"]
                  [cljsjs/react-dom "0.14.3-1"]
                  [cljsjs/moment "2.10.6-1"]
+                 [funcool/cats "1.2.1"]
                  [funcool/promesa "0.8.1"]
                  [funcool/beicon "0.6.1"]
                  [funcool/cuerdas "0.7.1"]