Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires pestphp/pest-plugin-laravel 2.x-dev -> satisfiable by pestphp/pest-plugin-laravel[2.x-dev]. - pestphp/pest-plugin-laravel 2.x-dev requires laravel/framework ^10.27.0|^11.0 -> found laravel/framework[dev-master, v10.27.0, ..., 10.x-dev, 11.x-dev (alias of dev-master)] but it conflicts with your root composer.json require (9.*). Problem 2 - orchestra/testbench[v7.0.0, ..., 7.x-dev] require phpunit/phpunit ^9.5.10 -> found phpunit/phpunit[9.5.10, ..., 9.6.x-dev] but it conflicts with your root composer.json require (^10.1). - Root composer.json requires orchestra/testbench 7.* -> satisfiable by orchestra/testbench[v7.0.0, ..., 7.x-dev]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.