diff --git a/{{cookiecutter.project_slug}}/requirements/base.txt b/{{cookiecutter.project_slug}}/requirements/base.txt
index e628da49..bd024298 100644
--- a/{{cookiecutter.project_slug}}/requirements/base.txt
+++ b/{{cookiecutter.project_slug}}/requirements/base.txt
@@ -1,4 +1,4 @@
-pytz==2018.3  # https://github.com/stub42/pytz
+pytz==2018.4  # https://github.com/stub42/pytz
 awesome-slugify==1.6.5  # https://github.com/dimka665/awesome-slugify
 Pillow==5.1.0  # https://github.com/python-pillow/Pillow
 {%- if cookiecutter.use_compressor == "y" %}