diff --git a/requirements.txt b/requirements.txt
index 986be08..a63cb11 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ itsdangerous==1.1.0
 jinja2==3.1.2
 markupsafe==2.1.1
 pymongo==4.3.3
-pytz==2020.1
+pytz==2023.3
 six==1.16.0
 sqlalchemy==1.4.44
 waitress==2.1.2