diff --git a/skyline_apiserver/api/v1/extension.py b/skyline_apiserver/api/v1/extension.py
index 1a3642e..13709b8 100644
--- a/skyline_apiserver/api/v1/extension.py
+++ b/skyline_apiserver/api/v1/extension.py
@@ -28,8 +28,8 @@ from novaclient.v2.servers import Server as NovaServer
 
 from skyline_apiserver import schemas
 from skyline_apiserver.api import deps
-from skyline_apiserver.api.v1.openstack.base import OSPort, OSServer, OSVolume, OSVolumeSnapshot
-from skyline_apiserver.api.v1.utils import Port, Server, Service, Volume, VolumeSnapshot
+from skyline_apiserver.api.wrapper.openstack import OSPort, OSServer, OSVolume, OSVolumeSnapshot
+from skyline_apiserver.api.wrapper.skyline import Port, Server, Service, Volume, VolumeSnapshot
 from skyline_apiserver.client import utils
 from skyline_apiserver.client.openstack import cinder, glance, keystone, neutron, nova
 from skyline_apiserver.client.utils import generate_session, get_system_session
diff --git a/skyline_apiserver/api/v1/openstack/__init__.py b/skyline_apiserver/api/wrapper/__init__.py
similarity index 100%
rename from skyline_apiserver/api/v1/openstack/__init__.py
rename to skyline_apiserver/api/wrapper/__init__.py
diff --git a/skyline_apiserver/api/v1/openstack/base.py b/skyline_apiserver/api/wrapper/openstack.py
similarity index 100%
rename from skyline_apiserver/api/v1/openstack/base.py
rename to skyline_apiserver/api/wrapper/openstack.py
diff --git a/skyline_apiserver/api/v1/utils.py b/skyline_apiserver/api/wrapper/skyline.py
similarity index 100%
rename from skyline_apiserver/api/v1/utils.py
rename to skyline_apiserver/api/wrapper/skyline.py