I have a composer file for a laravel installation with the following composer.json file:
{ \"name\": \"laravel/laravel\", \"description\": \"The Laravel
You can also use other levels of stability, like alpha, beta combined with version selector.
alpha
beta
With caret operator - maximum of version 2 allowing beta:
"cartalyst/sentry": "^2@beta"
Any version allowing alpha
"cartalyst/sentry": "*@alpha"