diff --git a/requirements.txt b/requirements.txt
index daa53698..9b04f62d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-icalendar>=7.2.0
+icalendar>=7.2.2
 python-dateutil>=2.5.2
 python-hglib>=2.6.1
 pytz>=2022