diff --git a/etc/kayobe/stackhpc.yml b/etc/kayobe/stackhpc.yml
index 4fc4349ab..075a8c554 100644
--- a/etc/kayobe/stackhpc.yml
+++ b/etc/kayobe/stackhpc.yml
@@ -157,7 +157,7 @@ stackhpc_kolla_source_version: "stackhpc/{{ openstack_release }}"
 
 # Kolla Ansible source repository.
 stackhpc_kolla_ansible_source_url: "https://github.com/stackhpc/kolla-ansible"
-stackhpc_kolla_ansible_source_version: "stackhpc/{{ openstack_release }}"
+stackhpc_kolla_ansible_source_version: stackhpc/18.5.0.3
 
 ###############################################################################
 # Container image registry