diff --git a/ansible/roles/designate/templates/designate.conf.j2 b/ansible/roles/designate/templates/designate.conf.j2
index ee0a09d8f7..9775a2c019 100644
--- a/ansible/roles/designate/templates/designate.conf.j2
+++ b/ansible/roles/designate/templates/designate.conf.j2
@@ -8,6 +8,7 @@ transport_url = rabbit://{% for host in groups['rabbitmq'] %}{{ rabbitmq_user }}
 
 [service:central]
 default_pool_id = {{ designate_pool_id }}
+workers = {{ openstack_service_workers }}
 
 [service:api]
 api_base_uri = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ designate_api_port }}
@@ -17,7 +18,7 @@ enable_api_v1 = True
 enabled_extensions_v1 = 'diagnostics, quotas, reports, sync, touch'
 enable_api_v2 = True
 enabled_extensions_v2 = 'quotas, reports'
-
+workers = {{ openstack_service_workers }}
 
 [keystone_authtoken]
 auth_uri = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ keystone_public_port }}