diff --git a/docker-compose.yml b/docker-compose.yml
index 2e6767c..c8675ea 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -35,7 +35,7 @@ services:
     - db:/var/lib/mysql
     
   ldap:
-    image: osixia/openldap:latest
+    image: osixia/openldap:stable
     #container_name: openldap
     restart: always
     environment:
@@ -46,7 +46,7 @@ services:
       LDAP_READONLY_USER: "true"
       LDAP_READONLY_USER_USERNAME: "readonly"
       LDAP_READONLY_USER_PASSWORD: "readonly"
-      LDAP_BACKEND: "ldif"
+      LDAP_BACKEND: "mdb"
       LDAP_TLS: "false"
     volumes:
     - ldap-database:/var/lib/ldap