1 files changed, 1 insertions, 2 deletions
diff --git a/tests/federation/test_federation_catch_up.py b/tests/federation/test_federation_catch_up.py
index 95eac6a5a3..802c5ad299 100644
--- a/tests/federation/test_federation_catch_up.py
+++ b/tests/federation/test_federation_catch_up.py
@@ -1,6 +1,5 @@
 from typing import List, Tuple
-
-from mock import Mock
+from unittest.mock import Mock
 
 from synapse.api.constants import EventTypes
 from synapse.events import EventBase