diff --git a/compose-env-postgresql/docker-compose.yml b/compose-env-postgresql/docker-compose.yml
index 6ded268..0d29b91 100755
--- a/compose-env-postgresql/docker-compose.yml
+++ b/compose-env-postgresql/docker-compose.yml
@@ -1,5 +1,3 @@
-version: "3"
-
 services:
   db-parking:
     image: postgres:17-alpine