diff --git a/docker-compose.yml b/docker-compose.yml
index 1a61865..e249617 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -14,7 +14,7 @@ services:
     volumes:
       - dbdata:/var/lib/postgresql/data
     ports:
-      - "5432:5432"
+      - "5432:5432/tcp"
     environment:
       - POSTGRES_USER=app
       - POSTGRES_PASSWORD=apppa55word