diff --git a/opencontrail/control/control4_0.yml b/opencontrail/control/control4_0.yml
index 207e9da..123392c 100644
--- a/opencontrail/control/control4_0.yml
+++ b/opencontrail/control/control4_0.yml
@@ -14,6 +14,7 @@
     opencontrail_message_queue_node03_address: ${_param:openstack_message_queue_node03_address}
     opencontrail_controller_image: ${_param:mcp_docker_registry}/opencontrail-${_param:linux_repo_contrail_component}/opencontrail-controller:${_param:opencontrail_image_tag}
     opencontrail_controller_container_name: opencontrail_controller_1
+    opencontrail_api_workers_count: 6
     analytics_vip_address: ${_param:opencontrail_analytics_address}
   opencontrail:
     common:
@@ -32,6 +33,7 @@
         host: None
       api:
         host: ${_param:opencontrail_control_address}
+        workers_count: ${_param:opencontrail_api_workers_count}
       analytics:
         members:
         - host: ${_param:opencontrail_analytics_node01_address}