diff --git a/requirements.txt b/requirements.txt
index 33a2befcedf139b0db2752dd203ecc1c075ef445..c0ad5b98bf28a238dc4cfc4c92dc3c518fad256a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ django-compressor==4.4
 django-libsass==0.9
 django-betterforms==2.0.0
 mysqlclient==2.2.0  # for production deployment
-tzdata==2023.3
+tzdata==2023.4
 
 # Documentation
 sphinxcontrib-django==2.5