diff --git a/requirements/base.txt b/requirements/base.txt
index 69340ea..37dc953 100644
--- a/requirements/base.txt
+++ b/requirements/base.txt
@@ -1,4 +1,4 @@
-pytz==2018.9  # https://github.com/stub42/pytz
+pytz==2023.3.post1  # https://github.com/stub42/pytz
 python-slugify==1.2.6  # https://github.com/un33k/python-slugify
 Pillow==5.4.1  # https://github.com/python-pillow/Pillow
 argon2-cffi==19.1.0  # https://github.com/hynek/argon2_cffi