diff --git a/docker-compose-auto.yml b/docker-compose-auto.yml
index 1cf6852..b0e9069 100644
--- a/docker-compose-auto.yml
+++ b/docker-compose-auto.yml
@@ -43,9 +43,14 @@
     hostname: portainer.localdomain
     restart: always
     volumes:
-      - /media/Data/Containers/Portainer:/data
+      # Authentication
+      - /etc/passwd:/etc/passwd:ro
+      - /etc/group:/etc/group:ro
+      - /etc/shadow:/etc/shadow:ro
       # Docker access
       - /var/run/docker.sock:/var/run/docker.sock
+      # Data
+      - /media/Data/Containers/Portainer:/data
     ports:
       - "9000:9000"