diff --git a/subiquity/tests/test_timezonecontroller.py b/subiquity/tests/test_timezonecontroller.py
index db1fe706..050fcd2e 100644
--- a/subiquity/tests/test_timezonecontroller.py
+++ b/subiquity/tests/test_timezonecontroller.py
@@ -13,7 +13,7 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import mock
+from unittest import mock
 
 from subiquity.common.types import TimeZoneInfo
 from subiquity.models.timezone import TimeZoneModel