diff --git a/src/requirements.txt b/src/requirements.txt
index 35cd3e7..3aca7cb 100644
--- a/src/requirements.txt
+++ b/src/requirements.txt
@@ -7,7 +7,7 @@ requests ~= 2.32
 PyPDF4 ~= 1.27
 waitress ~= 2.1
 beautifulsoup4 ~= 4.12
-icalendar ~= 5.0.12
+icalendar ~= 6.0.1
 pytz ~= 2023.3
 werkzeug ~= 3.0.3
 bugsnag[flask] ~= 4.7.1