diff --git a/tacker/nfvo/drivers/vim/openstack_driver.py b/tacker/nfvo/drivers/vim/openstack_driver.py
index dbb919ffe..e86a045a5 100644
--- a/tacker/nfvo/drivers/vim/openstack_driver.py
+++ b/tacker/nfvo/drivers/vim/openstack_driver.py
@@ -17,11 +17,11 @@
 import os
 import six
 
+from keystoneauth1 import exceptions
 from keystoneauth1 import identity
+from keystoneauth1.identity import v2
+from keystoneauth1.identity import v3
 from keystoneauth1 import session
-from keystoneclient.auth.identity import v2
-from keystoneclient.auth.identity import v3
-from keystoneclient import exceptions
 from neutronclient.common import exceptions as nc_exceptions
 from neutronclient.v2_0 import client as neutron_client
 from oslo_config import cfg
diff --git a/tacker/tests/functional/keystone.py b/tacker/tests/functional/keystone.py
index 4fe21155b..ad8fb0c4a 100644
--- a/tacker/tests/functional/keystone.py
+++ b/tacker/tests/functional/keystone.py
@@ -14,10 +14,10 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from keystoneclient.auth import identity
+from keystoneauth1 import exceptions
+from keystoneauth1.identity import v3
+from keystoneauth1 import session
 from keystoneclient import client
-from keystoneclient import exceptions
-from keystoneclient import session
 from oslo_config import cfg
 from oslo_log import log as logging
 
@@ -36,7 +36,7 @@ class Keystone(object):
     def get_version(self, base_url=None):
         try:
             keystone_client = client.Client(auth_url=base_url)
-        except exceptions.ConnectionRefused:
+        except exceptions.ConnectionError:
             raise
         return keystone_client.version
 
@@ -49,7 +49,7 @@ class Keystone(object):
 
     def initialize_client(self, version, **kwargs):
         from keystoneclient.v3 import client
-        auth_plugin = identity.v3.Password(**kwargs)
+        auth_plugin = v3.Password(**kwargs)
         ses = self.get_session(auth_plugin=auth_plugin)
         cli = client.Client(session=ses)
         return cli
diff --git a/tacker/tests/unit/vm/nfvo/drivers/vim/test_openstack_driver.py b/tacker/tests/unit/vm/nfvo/drivers/vim/test_openstack_driver.py
index 960daba11..f851ade50 100644
--- a/tacker/tests/unit/vm/nfvo/drivers/vim/test_openstack_driver.py
+++ b/tacker/tests/unit/vm/nfvo/drivers/vim/test_openstack_driver.py
@@ -13,7 +13,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from keystoneclient import exceptions
+from keystoneauth1 import exceptions
 import mock
 from oslo_config import cfg
 
diff --git a/tacker/vnfm/keystone.py b/tacker/vnfm/keystone.py
index c0da001cd..347cfc170 100644
--- a/tacker/vnfm/keystone.py
+++ b/tacker/vnfm/keystone.py
@@ -17,10 +17,10 @@
 import os
 
 from cryptography import fernet
-from keystoneclient.auth import identity
+from keystoneauth1 import exceptions
+from keystoneauth1 import identity
+from keystoneauth1 import session
 from keystoneclient import client
-from keystoneclient import exceptions
-from keystoneclient import session
 from oslo_config import cfg
 from oslo_log import log as logging
 
@@ -39,7 +39,7 @@ class Keystone(object):
     def get_version(self, base_url=None):
         try:
             keystone_client = client.Client(auth_url=base_url)
-        except exceptions.ConnectionRefused:
+        except exceptions.ConnectionError:
             raise
         return keystone_client.version