diff --git a/Dockerfile b/Dockerfile
index abf76c8..f31adea 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,6 @@ RUN apk add --no-cache openldap openldap-clients openldap-back-ldap openldap-ove
 
 COPY root /
 
-EXPOSE 389 636
+EXPOSE 389
 
 CMD ["/usr/sbin/slapd", "-d", "256", "-u", "ldap", "-g", "ldap", "-f", "/etc/openldap/slapd.conf", "-h", "ldap://0.0.0.0"]