Install failed b/c of conflict with your requirements or minimum-stability

[seanmars]

OS: Windows 10 and OSX 10
PHP: 7.0

Get error when install by composer require felixfbecker/language-server.
The error information is below:

Your requirements could not be resolved to an installable set of packages.

  Problem 1
    - Installation request for felixfbecker/language-server ^5.0 -> satisfiable by felixfbecker/language-server[v5.0.0].
    - felixfbecker/language-server v5.0.0 requires jetbrains/phpstorm-stubs dev-master -> satisfiable by jetbrains/phpstorm-stubs[dev-master] but these conflict with your requirements or minimum-stability.

[felixfbecker]

satisfiable by jetbrains/phpstorm-stubs[dev-master] but these conflict with your requirements or minimum-stability

You need to set your minimum-stability lower to allow jetbrains/phpstorm-stubs[dev-master].
https://getcomposer.org/doc/04-schema.md#minimum-stability