diff --git a/docker-compose.yml b/docker-compose.yml
index 0a81b1f..eff039f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,6 +5,8 @@ services:
     security_opt:
       - no-new-privileges:false
     command: --transaction-isolation=READ-COMMITTED --binlog-format=ROW --innodb-read-only-compressed=OFF
+    expose:
+      - 3306
     volumes:
       - /var/lib/docker/volumes/nextcloud/db:/var/lib/mysql:rw
       - /var/lib/docker/volumes/nextcloud/db:/etc/mysql/conf.d:rw