diff --git a/docker-compose.yml b/docker-compose.yml
index c6142f1..db71624 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,8 @@ services:
   app:
     build:
       network:
-        - postgres-net
+        postgres-net:
+          external: true
       context: .
       dockerfile: Dockerfile
     depends_on: