diff --git a/etc/kayobe/kolla.yml b/etc/kayobe/kolla.yml
index 5cbd729f9..9af90b151 100644
--- a/etc/kayobe/kolla.yml
+++ b/etc/kayobe/kolla.yml
@@ -108,6 +108,10 @@ kolla_sources:
     type: git
     location: https://github.com/stackhpc/cloudkitty.git
     reference: stackhpc/wallaby
+  horizon:
+    type: git
+    location: https://github.com/stackhpc/horizon.git
+    reference: stackhpc/wallaby
   horizon-plugin-cloudkitty-dashboard:
     type: git
     location: https://github.com/stackhpc/cloudkitty-dashboard.git