diff --git a/environments/services/neutron-ovn-dvr-ha.yaml b/environments/services/neutron-ovn-dvr-ha.yaml
index 961250fd58..95a94bb07e 100644
--- a/environments/services/neutron-ovn-dvr-ha.yaml
+++ b/environments/services/neutron-ovn-dvr-ha.yaml
@@ -26,6 +26,7 @@ parameter_defaults:
   NeutronNetworkType: 'geneve'
   NeutronServicePlugins: 'qos,ovn-router,trunk'
   NeutronVniRanges: ['1:65536', ]
+  NeutronRpcWorkers: 1
   NeutronEnableDVR: true
   NeutronPluginExtensions: "qos,port_security,dns"
   ControllerParameters:
diff --git a/environments/services/neutron-ovn-ha.yaml b/environments/services/neutron-ovn-ha.yaml
index 1224277476..e19968cc3d 100644
--- a/environments/services/neutron-ovn-ha.yaml
+++ b/environments/services/neutron-ovn-ha.yaml
@@ -25,6 +25,7 @@ parameter_defaults:
   NeutronServicePlugins: 'qos,ovn-router,trunk'
   NeutronVniRanges: ['1:65536', ]
   NeutronPluginExtensions: "qos,port_security,dns"
+  NeutronRpcWorkers: 1
   ComputeParameters:
     NeutronBridgeMappings: ""
   ControllerParameters:
diff --git a/environments/services/neutron-ovn-hw-offload.yaml b/environments/services/neutron-ovn-hw-offload.yaml
index 88e4aefcad..829a92d3bb 100644
--- a/environments/services/neutron-ovn-hw-offload.yaml
+++ b/environments/services/neutron-ovn-hw-offload.yaml
@@ -26,6 +26,7 @@ parameter_defaults:
   NeutronServicePlugins: 'qos,ovn-router,trunk'
   NeutronVniRanges: ['1:65536', ]
   NeutronPluginExtensions: "qos,port_security,dns"
+  NeutronRpcWorkers: 1
   ComputeParameters:
     NeutronBridgeMappings: ""
   ControllerParameters: