diff --git a/observabilityclient/tests/functional/base.py b/observabilityclient/tests/functional/base.py
index 493ecf7..789210e 100644
--- a/observabilityclient/tests/functional/base.py
+++ b/observabilityclient/tests/functional/base.py
@@ -22,7 +22,7 @@ from observabilityclient import client
 
 from keystoneauth1 import loading
 from keystoneauth1 import session
-import os_client_config
+from openstack import config as occ
 from tempest.lib.cli import output_parser
 from tempest.lib import exceptions
 import testtools
@@ -33,8 +33,8 @@ LOG = logging.getLogger(__name__)
 
 class PythonAPITestCase(testtools.TestCase):
     def _getKeystoneSession(self):
-        conf = os_client_config.OpenStackConfig()
-        creds = conf.get_one_cloud(cloud=ADMIN_CLOUD).get_auth_args()
+        conf = occ.OpenStackConfig()
+        creds = conf.get_one(cloud=ADMIN_CLOUD).get_auth_args()
         ks_creds = dict(
             auth_url=creds["auth_url"],
             username=creds["username"],
diff --git a/test-requirements.txt b/test-requirements.txt
index dac65be..ddf5e78 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -1,5 +1,5 @@
 python-openstackclient>=6.3.0 # Apache-2.0
-os-client-config>=1.28.0 # Apache-2.0
+openstacksdk>=0.10.0 # Apache-2.0
 stestr>=2.0.0 # Apache-2.0
 tempest>=10 # Apache-2.0
 testtools>=1.4.0 # MIT