diff --git a/requirements/default.txt b/requirements/default.txt
index 93822182..8ebd5c9c 100644
--- a/requirements/default.txt
+++ b/requirements/default.txt
@@ -1,4 +1,4 @@
 typing_extensions; python_version<"3.10"
 amqp>=5.1.1,<6.0.0
 vine
-backports.zoneinfo>=0.2.1; python_version < '3.9'
+backports.zoneinfo[tzdata]>=0.2.1; python_version < '3.9'