1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index df885e45e8..71ac5dca99 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -19,7 +19,7 @@
 
 import itertools
 import logging
-from collections import Container
+from collections.abc import Container
 from http import HTTPStatus
 from typing import Dict, Iterable, List, Optional, Sequence, Tuple, Union