diff --git a/backend-transit/docker-compose.yml b/backend-transit/docker-compose.yml
index ff580d0..c11865d 100644
--- a/backend-transit/docker-compose.yml
+++ b/backend-transit/docker-compose.yml
@@ -7,7 +7,7 @@ services:
     env_file:
       - .env
     ports:
-      - "5433:5432" # Exposed on 5433 to avoid conflict with main DB
+      - "5434:5432"
     volumes:
       - transit_pgdata:/var/lib/postgresql/data