Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires pestphp/pest ^3.0 -> satisfiable by pestphp/pest[v3.0.0, ..., 3.x-dev]. - pestphp/pest[v3.0.0, ..., v3.4.0] require nunomaduro/collision ^8.4.0 -> found nunomaduro/collision[v8.4.0, v8.5.0, v8.x-dev] but it conflicts with your root composer.json require (^7.9). - pestphp/pest[v3.4.1, ..., 3.x-dev] require nunomaduro/collision ^8.5.0 -> found nunomaduro/collision[v8.5.0, v8.x-dev] but it conflicts with your root composer.json require (^7.9).