diff --git a/docker-compose.yml b/docker-compose.yml
index c6ed906..5d27d9d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -26,6 +26,8 @@ services:
     container_name: backset-mysql
     ports:
       - 3307:3307
+    expose:
+      - 3307
     environment:
       - "MYSQL_DATABASE=backset"
       - "MYSQL_USER=backset"