Проблема с установкой phpword через composer

Помогите, пожалуйста, не могу найти в чем проблема, при установке phpword через composer выдает ошибку:

C:\xampp\PHPWord-develop>composer require phpoffice/phpword

Using version ^0.14.0 for phpoffice/phpword ./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 - The requested package phpoffice/phpword No version set (parsed as 1.0.0) is satisfiable by phpoffice/phpword[No version set (parsed as 1.0.0)] but these conflict with your requirements or minimum-stability.

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

composer.json:

{
    "require": {
        "phpoffice/phpword": "^0.14.0"
    }
}