Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires pestphp/pest ^2.36 || ^3.0 || ^4.0 -> satisfiable by pestphp/pest[v2.36.0, v2.36.1, 2.x-dev, v3.0.0, v3.0.1, v3.0.2, v3.0.3, v3.0.4, v3.0.5, v3.0.6, v3.0.7, v3.0.8, v3.1.0, v3.2.0, v3.2.1, v3.2.2, v3.2.3, v3.2.4, v3.2.5, v3.3.0, v3.3.1, v3.3.2, v3.4.0, v3.4.1, v3.4.2, v3.5.0, v3.5.1, v3.5.2, v3.6.0, v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.7.5, v3.8.0, v3.8.1, v3.8.2, v3.8.3, v3.8.4, v3.8.5, v3.8.6, 3.x-dev, v4.0.0, v4.0.1, v4.0.2, v4.0.3, v4.0.4, v4.1.0, v4.1.1, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.2.0, v4.3.0, v4.3.1, v4.3.2, v4.4.0, v4.4.1, v4.4.2, 4.x-dev]. - pestphp/pest v2.36.0 conflicts with phpunit/phpunit 10.5.63. - pestphp/pest v2.36.0 conflicts with phpunit/phpunit 10.5.x-dev. - pestphp/pest v2.36.0 requires phpunit/phpunit ^10.5.36 -> satisfiable by phpunit/phpunit[10.5.62, 10.5.63, 10.5.x-dev]. - pestphp/pest[v2.36.1, 2.x-dev, v3.0.0, v3.0.1, v3.0.2, v3.0.3, v3.0.4, v3.0.5, v3.0.6, v3.0.7, v3.0.8, v3.1.0, v3.2.0, v3.2.1, v3.2.2, v3.2.3, v3.2.4, v3.2.5, v3.3.0, v3.3.1, v3.3.2, v3.4.0, v3.4.1, v3.4.2, v3.5.0, v3.5.1, v3.5.2, v3.6.0, v3.7.0, v3.7.1, v3.7.2, v3.7.3, v3.7.4, v3.7.5, v3.8.0, v3.8.1, v3.8.2, v3.8.3, v3.8.4, v3.8.5, v3.8.6, 3.x-dev] require php ^8.2.0 -> your php version (8.1.34) does not satisfy that requirement. - pestphp/pest[v4.0.0, v4.0.1, v4.0.2, v4.0.3, v4.0.4, v4.1.0, v4.1.1, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.2.0, v4.3.0, v4.3.1, v4.3.2, v4.4.0, v4.4.1, v4.4.2, 4.x-dev] require php ^8.3.0 -> your php version (8.1.34) does not satisfy that requirement.