diff --git a/requirements.txt b/requirements.txt
index ef0415c..e5fd1b1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ aiohttp==3.9.1
 black==23.12.0
 click==8.1.7
 coverage==7.3.3
-freezegun==1.3.1
+freezegun==1.4.0
 ical==6.1.1
 mypy==1.7.1
 pdoc==14.2.0