diff --git a/caddy/docker-compose.yml b/caddy/docker-compose.yml
index f90b09d..f82f800 100644
--- a/caddy/docker-compose.yml
+++ b/caddy/docker-compose.yml
@@ -1,4 +1,3 @@
-version: '3.7'
 services:
   caddy:
     container_name: caddy
diff --git a/wildduck/docker-compose.yml b/wildduck/docker-compose.yml
index 1b5d31f..048d153 100644
--- a/wildduck/docker-compose.yml
+++ b/wildduck/docker-compose.yml
@@ -72,6 +72,7 @@ networks:
 
 volumes:
   mongodb_data:
+  mongodb_config:
   redis_data:
   wildduck_mail:
   wildduck_attachments:
\ No newline at end of file