Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires orchestra/testbench 9.* -> satisfiable by orchestra/testbench[9.x-dev]. - orchestra/testbench 9.x-dev requires phpunit/phpunit ^10.5 || ^11.0.1 -> found phpunit/phpunit[dev-main, 10.5.0, ..., 10.5.x-dev, 11.0.1, ..., 11.1.x-dev (alias of dev-main)] but it conflicts with your root composer.json require (^9.5). Problem 2 - pestphp/pest-plugin-laravel v1.1.0 requires laravel/framework ^7.0 || ^8.0 -> found laravel/framework[v7.0.0, ..., 7.x-dev, v8.0.0, ..., 8.x-dev] but it conflicts with your root composer.json require (^11.0). - pestphp/pest-plugin-laravel v1.2.0 requires laravel/framework ^7.0 || ^8.0 || ^9.0 -> found laravel/framework[v7.0.0, ..., 7.x-dev, v8.0.0, ..., 8.x-dev, v9.0.0-beta.1, ..., 9.x-dev] but it conflicts with your root composer.json require (^11.0). - pestphp/pest-plugin-laravel v1.3.0 requires laravel/framework ^7.30.6 || ^8.83.23 || ^9.30.1 -> found laravel/framework[v7.30.6, 7.x-dev, v8.83.23, ..., 8.x-dev, v9.30.1, ..., 9.x-dev] but it conflicts with your root composer.json require (^11.0). - pestphp/pest-plugin-laravel[v1.4.0, ..., 1.x-dev] require laravel/framework ^7.30.6 || ^8.83.27 || ^9.47.0 || ^10.0.0 -> found laravel/framework[v7.30.6, 7.x-dev, v8.83.27, 8.x-dev, v9.47.0, ..., 9.x-dev, v10.0.0, ..., 10.x-dev] but it conflicts with your root composer.json require (^11.0). - Root composer.json requires pestphp/pest-plugin-laravel ^1.1 -> satisfiable by pestphp/pest-plugin-laravel[v1.1.0, ..., 1.x-dev].