i have this error on setup

[ahmedbondok2006]

C:\xampp\htdocs\chicken>composer require baklysystems/laravel-paymob
Using version ^1.3 for baklysystems/laravel-paymob
./composer.json has been updated
Running composer update baklysystems/laravel-paymob
Loading composer repositories with package information
Updating dependencies
Your requirements could not be resolved to an installable set of packages.

Problem 1
- Root composer.json requires baklysystems/laravel-paymob ^1.3 -> satisfiable by baklysystems/laravel-paymob[1.3].
- baklysystems/laravel-paymob 1.3 requires laravel/framework 5.* -> found laravel/framework[v5.0.0, ..., 5.8.x-dev] but it conflicts with your root composer.j
son require (^6.2).

Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.

Installation failed, reverting ./composer.json and ./composer.lock to their original content.