diff --git a/murano/cmd/api.py b/murano/cmd/api.py
index 2ad1d234c..d9802aef4 100644
--- a/murano/cmd/api.py
+++ b/murano/cmd/api.py
@@ -63,7 +63,9 @@ def main():
         workers = CONF.murano.api_workers
         if not workers:
             workers = processutils.get_worker_count()
-        launcher = service.launch(CONF, server.ApiService(), workers=workers)
+        launcher = service.launch(
+            CONF, server.ApiService(),
+            workers=workers, restart_method='mutate')
 
         app = app_loader.load_paste_app('murano')
         port, host = (CONF.bind_port, CONF.bind_host)
diff --git a/murano/cmd/engine.py b/murano/cmd/engine.py
index c524b5111..9318064f9 100644
--- a/murano/cmd/engine.py
+++ b/murano/cmd/engine.py
@@ -53,8 +53,9 @@ def main():
         workers = CONF.engine.engine_workers
         if not workers:
             workers = processutils.get_worker_count()
-        launcher = service.launch(CONF,
-                                  engine.EngineService(), workers=workers)
+        launcher = service.launch(
+            CONF, engine.EngineService(),
+            workers=workers, restart_method='mutate')
         launcher.wait()
     except RuntimeError as e:
         sys.stderr.write("ERROR: %s\n" % e)
diff --git a/murano/tests/unit/cmd/test_api_workers.py b/murano/tests/unit/cmd/test_api_workers.py
index 20fabc504..690d771df 100644
--- a/murano/tests/unit/cmd/test_api_workers.py
+++ b/murano/tests/unit/cmd/test_api_workers.py
@@ -39,7 +39,8 @@ class TestAPIWorkers(base.MuranoTestCase):
                              load_paste_app, set_middleware_defaults):
         api.main()
         launch.assert_called_once_with(mock.ANY, mock.ANY,
-                                       workers=processutils.get_worker_count())
+                                       workers=processutils.get_worker_count(),
+                                       restart_method='mutate')
 
     @mock.patch.object(config, 'parse_args')
     @mock.patch.object(logging, 'setup')
@@ -51,7 +52,8 @@ class TestAPIWorkers(base.MuranoTestCase):
                                   load_paste_app, set_middleware_defaults):
         self.override_config("api_workers", 8, "murano")
         api.main()
-        launch.assert_called_once_with(mock.ANY, mock.ANY, workers=8)
+        launch.assert_called_once_with(mock.ANY, mock.ANY, workers=8,
+                                       restart_method='mutate')
 
     @mock.patch.object(config, 'parse_args')
     @mock.patch.object(logging, 'setup')
@@ -64,4 +66,5 @@ class TestAPIWorkers(base.MuranoTestCase):
         self.override_config("api_workers", 0, "murano")
         api.main()
         launch.assert_called_once_with(mock.ANY, mock.ANY,
-                                       workers=processutils.get_worker_count())
+                                       workers=processutils.get_worker_count(),
+                                       restart_method='mutate')
diff --git a/murano/tests/unit/cmd/test_engine_workers.py b/murano/tests/unit/cmd/test_engine_workers.py
index 2b3f95f34..6ef71582a 100644
--- a/murano/tests/unit/cmd/test_engine_workers.py
+++ b/murano/tests/unit/cmd/test_engine_workers.py
@@ -30,7 +30,8 @@ class TestEngineWorkers(base.MuranoTestCase):
     def test_workers_default(self, launch, setup, parse_args):
         engine.main()
         launch.assert_called_once_with(mock.ANY, mock.ANY,
-                                       workers=processutils.get_worker_count())
+                                       workers=processutils.get_worker_count(),
+                                       restart_method='mutate')
 
     @mock.patch.object(config, 'parse_args')
     @mock.patch.object(logging, 'setup')
@@ -38,7 +39,8 @@ class TestEngineWorkers(base.MuranoTestCase):
     def test_workers_good_setting(self, launch, setup, parse_args):
         self.override_config("engine_workers", 8, "engine")
         engine.main()
-        launch.assert_called_once_with(mock.ANY, mock.ANY, workers=8)
+        launch.assert_called_once_with(mock.ANY, mock.ANY, workers=8,
+                                       restart_method='mutate')
 
     @mock.patch.object(config, 'parse_args')
     @mock.patch.object(logging, 'setup')
@@ -47,4 +49,5 @@ class TestEngineWorkers(base.MuranoTestCase):
         self.override_config("engine_workers", 0, "engine")
         engine.main()
         launch.assert_called_once_with(mock.ANY, mock.ANY,
-                                       workers=processutils.get_worker_count())
+                                       workers=processutils.get_worker_count(),
+                                       restart_method='mutate')