diff --git a/playbooks/defaults/repo_packages/openstack_services.yml b/playbooks/defaults/repo_packages/openstack_services.yml
index 66c3925e05..6da67fb7b1 100644
--- a/playbooks/defaults/repo_packages/openstack_services.yml
+++ b/playbooks/defaults/repo_packages/openstack_services.yml
@@ -253,6 +253,10 @@ mistral_git_repo: https://opendev.org/openstack/mistral
 mistral_git_install_branch: a9024d42ff7f147e1965d42852fd1f0bddef7ca6
 mistral_git_track_branch: stable/yoga
 
+mistral_extra_git_repo: https://opendev.org/openstack/mistral-extra
+mistral_extra_git_install_branch: 4beae859c64356a77f64d7135426fcf0c6f39738
+mistral_extra_git_track_branch: stable/yoga
+
 ## Murano service
 murano_git_repo: https://opendev.org/openstack/murano
 murano_git_install_branch: 27dd423015152ca07f22d4bb396e2d5e4a0f940b