Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires pestphp/pest-plugin-laravel ^4.0 -> satisfiable by pestphp/pest-plugin-laravel[v4.0.0, 4.x-dev]. - pestphp/pest-plugin-laravel[v4.0.0, ..., 4.x-dev] require laravel/framework ^11.45.2|^12.25.0 -> found laravel/framework[v11.45.2, ..., 11.x-dev, v12.25.0, ..., 12.x-dev] but it conflicts with your temporary update constraint (illuminate/contracts:^10). Problem 2 - Root composer.json requires larastan/larastan ^3.1.0 -> satisfiable by larastan/larastan[v3.1.0, ..., 3.x-dev]. - larastan/larastan v3.1.0 requires illuminate/contracts ^11.15.0 || ^12.0 -> found illuminate/contracts[v11.15.0, ..., 11.x-dev, v12.0.0, ..., 12.x-dev] but it conflicts with your temporary update constraint (illuminate/contracts:^10). - larastan/larastan v3.2.0 requires illuminate/contracts ^11.41.3 || ^12.0 -> found illuminate/contracts[v11.41.3, ..., 11.x-dev, v12.0.0, ..., 12.x-dev] but it conflicts with your temporary update constraint (illuminate/contracts:^10). - larastan/larastan v3.3.0 requires illuminate/contracts ^11.42.2 || ^12.0 -> found illuminate/contracts[v11.43.0, ..., 11.x-dev, v12.0.0, ..., 12.x-dev] but it conflicts with your temporary update constraint (illuminate/contracts:^10). - larastan/larastan[v3.3.1, ..., 3.x-dev] require illuminate/contracts ^11.44.2 || ^12.4.1 -> found illuminate/contracts[v11.44.2, ..., 11.x-dev, v12.4.1, ..., 12.x-dev] but it conflicts with your temporary update constraint (illuminate/contracts:^10).