Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires pestphp/pest-plugin-laravel ^1.4.0 -> satisfiable by pestphp/pest-plugin-laravel[v1.4.0, 1.x-dev]. - 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, v7.30.7, 7.x-dev, v8.83.27, v8.83.28, 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). Problem 2 - Root composer.json requires laravel/framework 11.0 -> satisfiable by laravel/framework[v11.0.0]. - Root composer.json requires orchestra/testbench ^9.0 -> satisfiable by orchestra/testbench[v9.0.0, ..., 9.x-dev]. - orchestra/testbench v9.0.0 requires orchestra/testbench-core ^9.0.1 -> satisfiable by orchestra/testbench-core[v9.0.1, ..., 9.x-dev]. - orchestra/testbench v9.0.1 requires orchestra/testbench-core ^9.0.6 -> satisfiable by orchestra/testbench-core[v9.0.6, ..., 9.x-dev]. - orchestra/testbench v9.0.2 requires orchestra/testbench-core ^9.0.7 -> satisfiable by orchestra/testbench-core[v9.0.7, ..., 9.x-dev]. - orchestra/testbench[v9.0.3, ..., v9.0.4] require laravel/framework ^11.1 -> found laravel/framework[v11.1.0, ..., 11.x-dev] but it conflicts with your root composer.json require (11.0). - orchestra/testbench[v9.1.0, ..., v9.1.2] require laravel/framework ^11.7 -> found laravel/framework[v11.7.0, ..., 11.x-dev] but it conflicts with your root composer.json require (11.0). - orchestra/testbench[v9.2.0, ..., 9.x-dev] require laravel/framework ^11.11 -> found laravel/framework[v11.11.0, ..., 11.x-dev] but it conflicts with your root composer.json require (11.0). - orchestra/testbench-core[v9.0.1, ..., v9.0.10] conflict with laravel/framework <11.0.3 || >=12.0.0. - orchestra/testbench-core[v9.0.11, ..., v9.1.9] conflict with laravel/framework <11.1.0 || >=12.0.0. - orchestra/testbench-core[v9.2.0, ..., 9.5.x-dev] conflict with laravel/framework <11.11.0 || >=12.0.0. - orchestra/testbench-core 9.x-dev conflicts with laravel/framework <11.31.0 || >=12.0.0.