diff --git a/docker-compose.yml b/docker-compose.yml
index db71624..2e9b171 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,9 +1,12 @@
+networks:
+  postgres-net:
+    external: true
+
 services:
   app:
     build:
       network:
-        postgres-net:
-          external: true
+        - postgres-net
       context: .
       dockerfile: Dockerfile
     depends_on: