composer Install problem with CakePHP 3.6.13

[karmadice]

I am using CakePHP 3.6.13 and When I try to install the plugin, I got this error

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

Problem 1
- Installation request for uafrica/oauth-server ^0.2.0 -> satisfiable by uafrica/oauth-server[v0.2.0].
- uafrica/oauth-server v0.2.0 requires cakephp/migrations ~1.0 -> satisfiable by cakephp/migrations[1.0.0, 1.0.1, 1.0.2, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.2, 1.2.1, 1.2.2, 1.3, 1.3.1, 1.3.2, 1.3.x-dev, 1.4, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.5.5, 1.5.6, 1.5.7, 1.5.8, 1.6.0, 1.6.1, 1.6.2, 1.6.3, 1.6.4, 1.6.5, 1.6.6, 1.6.7, 1.7.0, 1.7.1, 1.7.2, 1.8.0, 1.8.1] but these conflict with your requirements or minimum-stability.`

So I started installing the plugin dependencies first. I installed oauth2-server with the latest version, and not I am getting this error when I try to install the plugin.

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

Problem 1
- Installation request for uafrica/oauth-server ^0.2.0 -> satisfiable by uafrica/oauth-server[v0.2.0].
- uafrica/oauth-server v0.2.0 requires league/oauth2-server ~4.1 -> satisfiable by league/oauth2-server[4.1.0, 4.1.1, 4.1.2, 4.1.3, 4.1.4, 4.1.5, 4.1.6, 4.1.7, 4.1.x-dev] but these conflict with your requirements or minimum-stability.`

Any fix?