Note: phpunit 5 requires PHP 5.6, so make sure you aren't using any older version of php.
This update could also wait a little longer, since security isn't really an issue yet, but laravel 5.1 introduces new authorization features which might be used.
This should also fix the failing build on travis-ci.org
As you can see on VersionEye, lots of packages used right now have new version available.
For info on upgrading laravel, see http://laravel.com/docs/5.1/upgrade
Note: phpunit 5 requires PHP 5.6, so make sure you aren't using any older version of php.
This update could also wait a little longer, since security isn't really an issue yet, but laravel 5.1 introduces new authorization features which might be used.
This should also fix the failing build on travis-ci.org