Композитор создать проект symfony / скелет new_project "4.0"

Устанавливает:

Symfony 4.1.3 (ядро: src, env: dev, отладка: true)

Как мне заставить его установить ровно 4.0. *?

composer create-project symfony/skeleton new_project "4.0" Installing symfony/skeleton (v4.0.0)
  - Installing symfony/skeleton (v4.0.0): Loading from cache Created project in aaaa Loading composer repositories with package information Updating dependencies (including require-dev) Package operations: 22 installs, 0 updates, 0 removals
  - Installing symfony/flex (v1.0.89): Loading from cache
  - Installing symfony/polyfill-mbstring (v1.9.0): Loading from cache
  - Installing symfony/console (v4.1.3): Loading from cache
  - Installing symfony/routing (v4.1.3): Loading from cache
  - Installing symfony/polyfill-ctype (v1.9.0): Loading from cache
  - Installing symfony/http-foundation (v4.1.3): Loading from cache
  - Installing symfony/event-dispatcher (v4.1.3): Loading from cache
  - Installing psr/log (1.0.2): Loading from cache
  - Installing symfony/debug (v4.1.3): Loading from cache
  - Installing symfony/http-kernel (v4.1.3): Loading from cache
  - Installing symfony/finder (v4.1.3): Loading from cache
  - Installing symfony/filesystem (v4.1.3): Loading from cache
  - Installing psr/container (1.0.0): Loading from cache
  - Installing symfony/dependency-injection (v4.1.3): Loading from cache
  - Installing symfony/config (v4.1.3): Loading from cache
  - Installing psr/simple-cache (1.0.1): Loading from cache
  - Installing psr/cache (1.0.1): Loading from cache
  - Installing symfony/cache (v4.1.3): Loading from cache
  - Installing symfony/framework-bundle (v4.1.3): Loading from cache
  - Installing symfony/yaml (v4.1.3): Loading from cache
  - Installing symfony/dotenv (v4.1.3): Loading from cache Writing lock file Generating autoload files Symfony operations: 4 recipes (df8c84407bbee5e3e826455e7bbdef65)
  - Configuring symfony/flex (>=1.0): From github.com/symfony/recipes:master
  - Configuring symfony/framework-bundle (>=3.3): From github.com/symfony/recipes:master
  - Configuring symfony/console (>=3.3): From github.com/symfony/recipes:master
  - Configuring symfony/routing (>=4.0): From github.com/symfony/recipes:master 

Кэш выполнения сценария: очистить [OK] Выполнение ресурсов скрипта: установить общедоступно [OK]