diff --git a/requirements-app.txt b/requirements-app.txt
index c5238ee47..2398123d2 100644
--- a/requirements-app.txt
+++ b/requirements-app.txt
@@ -14,7 +14,7 @@ pyexcel-io==0.6.4
 pyexcel-xls==0.6.1
 pyexcel-xlsx==0.6.0
 pyexcel-ods3==0.6.0
-pytz==2020.1
+pytz==2020.4
 gunicorn==20.0.4
 eventlet==0.29.1
 notifications-python-client==5.7.0