Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/browser-kit ^7.1 -> satisfiable by symfony/browser-kit[v7.1.0-BETA1, ..., 7.2.x-dev]. - symfony/browser-kit[v7.1.0-BETA1, ..., 7.2.x-dev] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. Problem 2 - codeception/lib-innerbrowser[4.0.2, ..., 4.0.3] require symfony/browser-kit ^4.4.24 || ^5.4 || ^6.0 || ^7.0 -> satisfiable by symfony/browser-kit[v7.1.0-BETA1, ..., 7.2.x-dev]. - codeception/lib-innerbrowser[4.0.0, ..., 4.0.1] require symfony/browser-kit ^4.4.24 || ^5.4 || ^6.0 -> found symfony/browser-kit[v4.4.24, ..., 4.4.x-dev, v5.4.0-BETA1, ..., 5.4.x-dev, v6.0.0-BETA1, ..., 6.4.x-dev] but it conflicts with your root composer.json require (^7.1). - symfony/browser-kit[v7.1.0-BETA1, ..., 7.2.x-dev] require php >=8.2 -> your php version (8.1.29) does not satisfy that requirement. - Root composer.json requires codeception/lib-innerbrowser ^4.0 -> satisfiable by codeception/lib-innerbrowser[4.0.0, 4.0.1, 4.0.2, 4.0.3].