diff --git a/{{cookiecutter.project_slug}}/requirements/base.txt b/{{cookiecutter.project_slug}}/requirements/base.txt
index c0815d2d8..9751b450d 100644
--- a/{{cookiecutter.project_slug}}/requirements/base.txt
+++ b/{{cookiecutter.project_slug}}/requirements/base.txt
@@ -8,7 +8,7 @@ rcssmin==1.0.6 --install-option="--without-c-extensions"  # https://github.com/n
 rcssmin==1.0.6  # https://github.com/ndparker/rcssmin
 {%- endif %}
 {%- endif %}
-argon2-cffi==20.1.0  # https://github.com/hynek/argon2_cffi
+argon2-cffi==21.1.0  # https://github.com/hynek/argon2_cffi
 {%- if cookiecutter.use_whitenoise == 'y' %}
 whitenoise==5.3.0  # https://github.com/evansd/whitenoise
 {%- endif %}