diff --git a/barbican/cmd/keystone_listener.py b/barbican/cmd/keystone_listener.py
index 1570ee112..e739d34b3 100644
--- a/barbican/cmd/keystone_listener.py
+++ b/barbican/cmd/keystone_listener.py
@@ -73,7 +73,8 @@ def main():
         if getattr(getattr(CONF, queue.KS_NOTIFICATIONS_GRP_NAME), 'enable'):
             service.launch(
                 CONF,
-                keystone_listener.MessageServer(CONF)
+                keystone_listener.MessageServer(CONF),
+                restart_method='mutate'
             ).wait()
         else:
             LOG.info("Exiting as Barbican Keystone listener is not enabled...")
diff --git a/barbican/cmd/retry_scheduler.py b/barbican/cmd/retry_scheduler.py
index 8ec685458..fecf29eba 100644
--- a/barbican/cmd/retry_scheduler.py
+++ b/barbican/cmd/retry_scheduler.py
@@ -66,7 +66,8 @@ def main():
 
         service.launch(
             CONF,
-            retry_scheduler.PeriodicServer()
+            retry_scheduler.PeriodicServer(),
+            restart_method='mutate'
         ).wait()
     except RuntimeError as e:
         fail(1, e)
diff --git a/barbican/cmd/worker.py b/barbican/cmd/worker.py
index 77ec256b8..9f4ed0564 100644
--- a/barbican/cmd/worker.py
+++ b/barbican/cmd/worker.py
@@ -67,7 +67,8 @@ def main():
         service.launch(
             CONF,
             server.TaskServer(),
-            workers=CONF.queue.asynchronous_workers
+            workers=CONF.queue.asynchronous_workers,
+            restart_method='mutate'
         ).wait()
     except RuntimeError as e:
         fail(1, e)
diff --git a/barbican/tests/cmd/test_cmd.py b/barbican/tests/cmd/test_cmd.py
index e71dda6fa..6ae1729be 100644
--- a/barbican/tests/cmd/test_cmd.py
+++ b/barbican/tests/cmd/test_cmd.py
@@ -81,5 +81,5 @@ class WhenInvokingWorkerCommand(test_keystone_listener.UtilMixin,
         self.assertEqual(1, mock_queue_init.call_count)
         self.assertEqual(1, mock_service_launch.call_count)
         # check keyword argument for number of worker matches
-        workers_kwarg = {'workers': 3}
+        workers_kwarg = {'restart_method': 'mutate', 'workers': 3}
         self.assertEqual(workers_kwarg, mock_service_launch.call_args[1])