Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires pestphp/pest 2.36 -> satisfiable by pestphp/pest[v2.36.0]. - pestphp/pest v2.36.0 requires pestphp/pest-plugin ^2.1.1 -> found pestphp/pest-plugin[v2.1.1, 2.x-dev] but it conflicts with your root composer.json require (2.1). Problem 2 - Root composer.json requires pestphp/pest-plugin-laravel ^2.0 -> satisfiable by pestphp/pest-plugin-laravel[v2.0.0, ..., 2.x-dev]. - pestphp/pest v2.36.0 requires pestphp/pest-plugin ^2.1.1 -> found pestphp/pest-plugin[v2.1.1, 2.x-dev] but it conflicts with your root composer.json require (2.1). - pestphp/pest-plugin-laravel v2.0.0 requires pestphp/pest ^2.0.0 -> satisfiable by pestphp/pest[v2.36.0]. - pestphp/pest-plugin-laravel v2.1.0 requires pestphp/pest ^2.8.3 -> satisfiable by pestphp/pest[v2.36.0]. - pestphp/pest-plugin-laravel v2.2.0 requires pestphp/pest ^2.13.0 -> satisfiable by pestphp/pest[v2.36.0]. - pestphp/pest-plugin-laravel v2.3.0 requires pestphp/pest ^2.33.6 -> satisfiable by pestphp/pest[v2.36.0]. - pestphp/pest-plugin-laravel[v2.4.0, ..., 2.x-dev] require pestphp/pest ^2.34.7 -> satisfiable by pestphp/pest[v2.36.0].