diff --git a/requirements.txt b/requirements.txt
index 62d0da8..3e51fbb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 google-auth==1.27.0
 google-api-python-client==1.12.8
 icalendar==4.0.7
-pytz==2020.5
+pytz==2021.1
 PyYAML==5.4.1