diff --git a/requirements.txt b/requirements.txt
index e04e2bb23..9b0c0220b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -36,7 +36,7 @@ olefile==0.47
 Pillow==11.1.0
 vobject==0.9.6.1
 msglite==0.30.0
-icalendar==5.0.12
+icalendar==6.3.2
 
 cryptography==44.0.2
 requests[security]==2.32.3