diff --git a/group_vars/all/plain.yml b/group_vars/all/plain.yml
index 324c376..933137e 100644
--- a/group_vars/all/plain.yml
+++ b/group_vars/all/plain.yml
@@ -45,7 +45,9 @@ default_plattform_users:
   - '{{ admin_user }}'
 
 smardigo_plattform_users:
+  - 'peter.heise'
   - 'sven.ketelsen'
+  - 'vanphuong.ma'
 
 docker_owner: "{{ admin_user }}"
 docker_group: "{{ admin_user }}"