diff --git a/requirements.txt b/requirements.txt
index dde1f78..033672c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ itsdangerous==2.1.2
 Jinja2==3.1.3
 MarkupSafe==2.1.4
 PyJWT==2.8.0
-pytz==2023.3.post1
+pytz==2023.4
 requests==2.31.0
 six==1.16.0
 twilio==8.12.0