diff --git a/files/ldap-stg/docker-compose.yml b/files/ldap-stg/docker-compose.yml
index 0709d7f..74e8002 100644
--- a/files/ldap-stg/docker-compose.yml
+++ b/files/ldap-stg/docker-compose.yml
@@ -6,6 +6,7 @@ services:
     image: osixia/openldap:1.2.4
     command: "--copy-service"
     ports:
+      - 3389:389
       - 6366:636
     environment:
       LDAP_ORGANISATION: OpenMRS