diff --git a/Home.md b/Home.md
index 607d7f0..60b14f0 100644
--- a/Home.md
+++ b/Home.md
@@ -42,7 +42,8 @@ TODO: add Ubuntu LTS
| vobject | >= 0.9.6 | https://pypi.org/project/vobject/ | Github
Legacy: https://github.com/eventable/vobject
Successor: https://github.com/py-vobject/vobject | |
| defusedxml | >= 0.6.0 | https://pypi.org/project/defusedxml/ | | |
| passlib | >= 1.7.2 | https://pypi.org/project/passlib/ | | |
-| bcrypt | >= 4.0.0 ??? | https://pypi.org/project/bcrypt/ | only required in case of `htpasswd` file user authentication | |
+| bcrypt | >= 4.0.0 ??? | https://pypi.org/project/bcrypt/ | required in case of `htpasswd` file user authentication uses such hashes | |
+| argon2-cffi | >= 21.3.0 ??? | https://pypi.org/project/argon2-cffi/ | required in case of `htpasswd` file user authentication uses such hashes | >= 3.5.3 |
| pika | >= 1.1.0 | https://pypi.org/project/pika/ | required for RabbitMQ hook support | >= 3.2.0 |
| ldap3 | >= ? | https://pypi.org/project/ldap3/ | required for user authentication via LDAP | >= 3.3.0 |
| pam | >= 2.0.2 | https://pypi.org/project/python-pam/ | required for user authentication via PAM | >= 3.4.2 |