Does not work with "4.6" version (works with "4.3")

[cfioretti]

This works:

$ sudo composer require "jonnyw/php-phantomjs:4.3"
Do not run Composer as root/super user! See https://getcomposer.org/root for details
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Package operations: 0 installs, 1 update, 0 removals
  - Updating jonnyw/php-phantomjs (v4.5.1 => v4.3.0): Downloading (100%)
Writing lock file
Generating optimized autoload files
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
> @php artisan package:discover
Discovered Package: appzcoder/crud-generator
Discovered Package: appzcoder/laravel-admin
Discovered Package: fideloper/proxy
Discovered Package: laravel/tinker
Discovered Package: laravelcollective/html
Package manifest generated successfully.

This does not work:

$ sudo composer require "jonnyw/php-phantomjs:4.6"
Do not run Composer as root/super user! See https://getcomposer.org/root for details
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Can only install one of: jakoch/phantomjs-installer[2.1.1-p08, 2.1.1].
    - Can only install one of: jakoch/phantomjs-installer[2.1.1-p08, 2.1.1].
    - Can only install one of: jakoch/phantomjs-installer[2.1.1-p08, 2.1.1].
    - jonnyw/php-phantomjs v4.6.0 requires jakoch/phantomjs-installer 2.1.1-p08 -> satisfiable by jakoch/phantomjs-installer[2.1.1-p08].
    - Installation request for jonnyw/php-phantomjs 4.6 -> satisfiable by jonnyw/php-phantomjs[v4.6.0].
    - Installation request for jakoch/phantomjs-installer (locked at 2.1.1) -> satisfiable by jakoch/phantomjs-installer[2.1.1].


Installation failed, reverting ./composer.json to its original content.