diff --git a/portainer/docker-compose.yml b/portainer/docker-compose.yml
index cb4dbfe..450956f 100644
--- a/portainer/docker-compose.yml
+++ b/portainer/docker-compose.yml
@@ -12,6 +12,8 @@ services:
       - "traefik.http.routers.portainer.entrypoints=websecure"
       - "traefik.http.routers.portainer.tls=true"
       - "traefik.http.routers.portainer.tls.certresolver=letsencrypt"
+      - "traefik.http.routers.portainer.tls.domains[0].main=esin.io"
+      - "traefik.http.routers.portainer.tls.domains[0].sans=*.esin.io"
       - "traefik.http.routers.portainer.middlewares=portainer-mw"
       - "traefik.http.middlewares.portainer-mw.compress=true"
       - "traefik.http.middlewares.portainer-mw.compress.excludedcontenttypes=text/event-stream"