diff --git a/compose.yml b/compose.yml
index 7a359a5..bc4f345 100644
--- a/compose.yml
+++ b/compose.yml
@@ -83,6 +83,7 @@ networks:
   proxy:
     external: true
   internal:
+    internal: true
 secrets:
   db_root_passwd:
     name: ${STACK_NAME}_db_root_passwd_${SECRET_DB_ROOT_PASSWD_VERSION}