diff --git a/group_vars/all/vault_mailman3.yml b/group_vars/all/vault_mailman3.yml
index 33bb6d5b5f0356994b7e3dfa3696249ebb576b52..53d68b5db8fe9d5f785c986bf18529b59d9fc374 100644
--- a/group_vars/all/vault_mailman3.yml
+++ b/group_vars/all/vault_mailman3.yml
@@ -1,18 +1,23 @@
 $ANSIBLE_VAULT;1.1;AES256
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diff --git a/roles/mailman3/templates/mailman.cfg.j2 b/roles/mailman3/templates/mailman.cfg.j2
index f2b96245cd542ef0747e09546bd34ce9e77693cb..2872a1d4c35587e7e2ba590f9a7cd00b5bbd3aed 100644
--- a/roles/mailman3/templates/mailman.cfg.j2
+++ b/roles/mailman3/templates/mailman.cfg.j2
@@ -5,8 +5,9 @@ layout: fhs
 class: mailman.database.postgresql.PostgreSQLDatabase
 url: postgres://{{ vault_mailman_db_user }}:{{ vault_mailman_db_password }}@127.0.0.1/mailman
 
-
-# TODO: admin_user and admin_pass
+[webservice]
+admin_user: {{ vault_mailman_admin_user }}
+admin_pass: {{ vault_mailman_admin_pass }}
 
 [mta]
 configuration: /etc/postfix.cfg
diff --git a/roles/mailman3/templates/settings.py.j2 b/roles/mailman3/templates/settings.py.j2
index b47d96022f5e728a84d208abb376add77b9e1cd0..77167323d305f26499582952d7b18a5da74b2330 100644
--- a/roles/mailman3/templates/settings.py.j2
+++ b/roles/mailman3/templates/settings.py.j2
@@ -34,3 +34,6 @@ SITE_ID = 1
 
 
 SECRET_KEY = '{{ vault_mailman_web_secret_key }}'
+
+MAILMAN_REST_API_USER = '{{ vault_mailman_admin_user }}'
+MAILMAN_REST_API_PASS = '{{ vault_mailman_admin_pass }}'