diff --git a/docker-compose.yml b/docker-compose.yml
index 0fb55c5..6b19d27 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -77,5 +77,6 @@ services:
 networks:
   backend:
     driver: bridge
+    internal: true
   wolfland:
     external: true