diff --git a/requirements.txt b/requirements.txt
index 7744d67..796db5b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,6 +15,6 @@ pytz==2023.3.post1
 PyYAML==6.0.1
 six==1.16.0
 sqlparse==0.4.4
-tzdata==2023.3
+tzdata==2023.4
 uritemplate==4.1.1
 uWSGI==2.0.23