diff --git a/requirements.txt b/requirements.txt
index 9e36df2fe..925e4c436 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ Flask==2.3.3
 Werkzeug==2.3.7
 requests==2.31.0
 gunicorn==20.1.0
-pytz==2021.3
+pytz==2023.4
 Flask-WTF==1.1.1
 WTForms==2.3.3
 email_validator==1.1.3