diff --git a/requirements.txt b/requirements.txt
index 512e1b5..7d64ab1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,6 +6,6 @@ gunicorn==21.2.0
 itsdangerous==2.1.2
 Jinja2==3.1.3
 MarkupSafe==2.1.3
-pytz==2023.3.post1
+pytz==2023.4
 six==1.16.0
 uptime==3.0.1