Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires nunomaduro/collision ^8.0 -> satisfiable by nunomaduro/collision[v8.0.0, v8.0.1]. - nunomaduro/collision[v8.0.0, ..., v8.0.1] require php ^8.2.0 -> your php version (8.1.27) does not satisfy that requirement. Problem 2 - nunomaduro/collision[v8.0.0, ..., v8.0.1] require php ^8.2.0 -> your php version (8.1.27) does not satisfy that requirement. - pestphp/pest v2.30.0 requires nunomaduro/collision ^7.10.0|^8.0.1 -> satisfiable by nunomaduro/collision[v8.0.1]. - Root composer.json requires pestphp/pest ^2.30 -> satisfiable by pestphp/pest[v2.30.0].