diff --git a/requirements.in b/requirements.in
index 2af1e2660..12205fd7d 100644
--- a/requirements.in
+++ b/requirements.in
@@ -15,7 +15,7 @@ pyexcel-io==0.6.5
 pyexcel-xls==0.7.0
 pyexcel-xlsx==0.6.0
 pyexcel-ods3==0.6.0
-pytz==2021.1
+pytz==2021.3
 gunicorn==20.1.0
 eventlet==0.30.2 # pyup: ignore
 notifications-python-client==6.3.0