diff --git a/kuryr/tests/unit/binding/drivers/test_hw_veb.py b/kuryr/tests/unit/binding/drivers/test_hw_veb.py
index 447d204a..48256095 100644
--- a/kuryr/tests/unit/binding/drivers/test_hw_veb.py
+++ b/kuryr/tests/unit/binding/drivers/test_hw_veb.py
@@ -11,7 +11,8 @@
 # under the License.
 
 
-import mock
+from unittest import mock
+
 from oslo_utils import uuidutils
 
 from kuryr.lib.binding.drivers import hw_veb
diff --git a/kuryr/tests/unit/binding/drivers/test_ipvlan.py b/kuryr/tests/unit/binding/drivers/test_ipvlan.py
index 1754ff97..b611d479 100644
--- a/kuryr/tests/unit/binding/drivers/test_ipvlan.py
+++ b/kuryr/tests/unit/binding/drivers/test_ipvlan.py
@@ -11,7 +11,8 @@
 # under the License.
 
 
-import mock
+from unittest import mock
+
 from oslo_utils import uuidutils
 
 from kuryr.lib.binding.drivers import ipvlan
diff --git a/kuryr/tests/unit/binding/drivers/test_macvlan.py b/kuryr/tests/unit/binding/drivers/test_macvlan.py
index 20012ddf..92126802 100644
--- a/kuryr/tests/unit/binding/drivers/test_macvlan.py
+++ b/kuryr/tests/unit/binding/drivers/test_macvlan.py
@@ -11,7 +11,8 @@
 # under the License.
 
 
-import mock
+from unittest import mock
+
 from oslo_utils import uuidutils
 
 from kuryr.lib.binding.drivers import macvlan
diff --git a/kuryr/tests/unit/binding/drivers/test_nested.py b/kuryr/tests/unit/binding/drivers/test_nested.py
index bdd3b823..c2298ea8 100644
--- a/kuryr/tests/unit/binding/drivers/test_nested.py
+++ b/kuryr/tests/unit/binding/drivers/test_nested.py
@@ -11,7 +11,8 @@
 # under the License.
 
 
-import mock
+from unittest import mock
+
 from oslo_utils import uuidutils
 
 from kuryr.lib.binding.drivers import nested
diff --git a/kuryr/tests/unit/binding/drivers/test_utils.py b/kuryr/tests/unit/binding/drivers/test_utils.py
index 96abfbc8..ce0622ed 100644
--- a/kuryr/tests/unit/binding/drivers/test_utils.py
+++ b/kuryr/tests/unit/binding/drivers/test_utils.py
@@ -9,8 +9,9 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
+from unittest import mock
+
 import ddt
-import mock
 from oslo_utils import uuidutils
 
 import pyroute2.ipdb.interfaces
diff --git a/kuryr/tests/unit/binding/drivers/test_veth.py b/kuryr/tests/unit/binding/drivers/test_veth.py
index 77ef64ed..79583c0d 100644
--- a/kuryr/tests/unit/binding/drivers/test_veth.py
+++ b/kuryr/tests/unit/binding/drivers/test_veth.py
@@ -11,7 +11,8 @@
 # under the License.
 
 
-import mock
+from unittest import mock
+
 from oslo_utils import uuidutils
 
 from kuryr.lib.binding.drivers import veth
diff --git a/kuryr/tests/unit/binding/drivers/test_vlan.py b/kuryr/tests/unit/binding/drivers/test_vlan.py
index 8e8083d0..ca2320ba 100644
--- a/kuryr/tests/unit/binding/drivers/test_vlan.py
+++ b/kuryr/tests/unit/binding/drivers/test_vlan.py
@@ -11,7 +11,8 @@
 # under the License.
 
 
-import mock
+from unittest import mock
+
 from oslo_utils import uuidutils
 
 from kuryr.lib.binding.drivers import vlan
diff --git a/kuryr/tests/unit/segmentation_type_drivers/test_vlan.py b/kuryr/tests/unit/segmentation_type_drivers/test_vlan.py
index 47f7fdff..904cda82 100644
--- a/kuryr/tests/unit/segmentation_type_drivers/test_vlan.py
+++ b/kuryr/tests/unit/segmentation_type_drivers/test_vlan.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import mock
+from unittest import mock
 
 from oslo_config import cfg
 from six import moves
diff --git a/kuryr/tests/unit/test_opts.py b/kuryr/tests/unit/test_opts.py
index 5291622c..c7125a37 100644
--- a/kuryr/tests/unit/test_opts.py
+++ b/kuryr/tests/unit/test_opts.py
@@ -10,7 +10,7 @@
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-import mock
+from unittest import mock
 
 from kuryr.lib import opts as kuryr_opts
 from kuryr.tests.unit import base
diff --git a/kuryr/tests/unit/test_utils.py b/kuryr/tests/unit/test_utils.py
index c44ac6ce..fdc0605b 100644
--- a/kuryr/tests/unit/test_utils.py
+++ b/kuryr/tests/unit/test_utils.py
@@ -10,8 +10,9 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+from unittest import mock
+
 import ddt
-import mock
 import socket
 
 from oslo_config import cfg