Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires pestphp/pest ^3.1.0 -> satisfiable by pestphp/pest[v3.1.0, 3.x-dev]. - pestphp/pest[v3.1.0, ..., 3.x-dev] require php ^8.2.0 -> your php version (8.1.29) does not satisfy that requirement.