diff --git a/README.md b/README.md
index 152de73..f0bef89 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@ Ansible Freifunk Regensburg
 
 ## Requirements
 
-The python package netaddr is required on the host running ansible.
+The python packages netaddr and passlib are required on the host running ansible.
 
 The vault password must be stored in `.vault_pass`.