diff --git a/docker-compose.yml b/docker-compose.yml
index 055b47f..febf7fb 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -72,6 +72,7 @@
     volumes:
       - ./logs/mail-supervisor/:/var/log/supervisor/:rw
       - ./logs/mail/:/var/log/mail/:rw
+      - ./certs/:/etc/letsencrypt/:ro
       - ./mail/data/:/var/mail/:rw
       - ./mail/state/:/var/mail-state/:rw
       - ./mail/config/:/tmp/docker-mailserver/:rw