diff --git a/Home.md b/Home.md
index cd6f185..f37536f 100644
--- a/Home.md
+++ b/Home.md
@@ -55,6 +55,7 @@ TODO: add Ubuntu LTS
 | bcrypt | >= 4.0.0 ??? | https://pypi.org/project/bcrypt/ | only required in case of `htpasswd` file user authentication | |
 | 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 |
 
 # Radicale Installation