diff --git a/auth_sms/tests/test_auth_sms.py b/auth_sms/tests/test_auth_sms.py
index 9fab3ac823..8c7656c95c 100644
--- a/auth_sms/tests/test_auth_sms.py
+++ b/auth_sms/tests/test_auth_sms.py
@@ -1,6 +1,6 @@
 # Copyright 2019 Therp BV <https://therp.nl>
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
-from mock import patch
+from unittest.mock import patch
 
 from .common import Common