Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php ^8.3 but your php version (8.1.30) does not satisfy that requirement. Problem 2 - Root composer.json requires pestphp/pest-plugin-faker ^3.0 -> satisfiable by pestphp/pest-plugin-faker[v3.0.0, 3.x-dev]. - pestphp/pest-plugin-faker[v3.0.0, ..., 3.x-dev] require php ^8.2 -> your php version (8.1.30) does not satisfy that requirement. Problem 3 - Root composer.json requires pestphp/pest-plugin-laravel ^3.0 -> satisfiable by pestphp/pest-plugin-laravel[v3.0.0, 3.x-dev]. - pestphp/pest-plugin-laravel[v3.0.0, ..., 3.x-dev] require php ^8.2.0 -> your php version (8.1.30) does not satisfy that requirement. Problem 4 - Root composer.json requires worksome/request-factories ^3.3 -> satisfiable by worksome/request-factories[v3.3.0]. - worksome/request-factories v3.3.0 requires php ^8.2 -> your php version (8.1.30) does not satisfy that requirement. Problem 5 - Root composer.json requires staudenmeir/laravel-merged-relations ^1.9 -> satisfiable by staudenmeir/laravel-merged-relations[v1.9, v1.9.1, v1.9.2]. - staudenmeir/laravel-merged-relations[v1.9, ..., v1.9.2] require php ^8.2 -> your php version (8.1.30) does not satisfy that requirement.