diff --git a/{{cookiecutter.project_slug}}/requirements/base.txt b/{{cookiecutter.project_slug}}/requirements/base.txt
index 33ac3f7b..b7596f81 100644
--- a/{{cookiecutter.project_slug}}/requirements/base.txt
+++ b/{{cookiecutter.project_slug}}/requirements/base.txt
@@ -1,5 +1,5 @@
 pytz==2019.3  # https://github.com/stub42/pytz
-python-slugify==3.0.6  # https://github.com/un33k/python-slugify
+python-slugify==4.0.0  # https://github.com/un33k/python-slugify
 Pillow==6.2.1  # https://github.com/python-pillow/Pillow
 {%- if cookiecutter.use_compressor == "y" %}
 rcssmin==1.0.6{% if cookiecutter.windows == 'y' and cookiecutter.use_docker == 'n' %} --install-option="--without-c-extensions"{% endif %}  # https://github.com/ndparker/rcssmin