Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires pestphp/pest-plugin-laravel ^2.3|^3.0|^4.0 -> satisfiable by pestphp/pest-plugin-laravel[v2.3.0, v2.4.0, 2.x-dev, v3.0.0, v3.1.0, v3.2.0, 3.x-dev, v4.0.0, 4.x-dev]. - brianium/paratest[v7.9.0, ..., v7.11.2] require php ~8.3.0 || ~8.4.0 -> your php version (8.5.0-dev) does not satisfy that requirement. - brianium/paratest v7.12.0 requires phpunit/phpunit ^12.3.6 -> satisfiable by phpunit/phpunit[12.3.6, ..., 12.5.x-dev]. - brianium/paratest v7.13.0 requires phpunit/phpunit ^12.3.9 -> satisfiable by phpunit/phpunit[12.3.9, ..., 12.5.x-dev]. - brianium/paratest v7.14.0 requires phpunit/phpunit ^12.3.15 -> satisfiable by phpunit/phpunit[12.3.15, ..., 12.5.x-dev]. - brianium/paratest v7.14.1 requires phpunit/phpunit ^12.4.0 -> satisfiable by phpunit/phpunit[12.4.0, 12.4.1, 12.4.x-dev, 12.5.x-dev]. - brianium/paratest[v7.14.2, ..., 7.x-dev] require phpunit/phpunit ^12.4.1 -> satisfiable by phpunit/phpunit[12.4.1, 12.4.x-dev, 12.5.x-dev]. - brianium/paratest v7.3.1 requires php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.5.0-dev) does not satisfy that requirement. - brianium/paratest[v7.4.0, ..., v7.5.7] require php ~8.2.0 || ~8.3.0 -> your php version (8.5.0-dev) does not satisfy that requirement. - brianium/paratest[v7.4.8, ..., 7.8.x-dev] require php ~8.2.0 || ~8.3.0 || ~8.4.0 -> your php version (8.5.0-dev) does not satisfy that requirement. - laravel/framework 10.x-dev conflicts with phpunit/phpunit >=11.0.0. - pestphp/pest[v2.33.6, ..., 2.x-dev] require brianium/paratest ^7.3.1 -> satisfiable by brianium/paratest[v7.3.1, ..., 7.x-dev]. - pestphp/pest v2.34.3 requires brianium/paratest ^7.4.3 -> satisfiable by brianium/paratest[v7.4.3, ..., 7.x-dev]. - pestphp/pest-plugin-laravel v2.3.0 requires pestphp/pest ^2.33.6 -> satisfiable by pestphp/pest[v2.33.6, ..., 2.x-dev]. - pestphp/pest-plugin-laravel[v2.4.0, ..., 2.x-dev] require pestphp/pest ^2.34.7 -> satisfiable by pestphp/pest[v2.34.7, ..., 2.x-dev]. - pestphp/pest-plugin-laravel v3.0.0 requires laravel/framework ^11.22.0 -> found laravel/framework[v11.22.0, ..., 11.x-dev] but it conflicts with your root composer.json require (10.*). - pestphp/pest-plugin-laravel v3.1.0 requires laravel/framework ^11.39.1|^12.0.0 -> found laravel/framework[v11.39.1, ..., 11.x-dev, v12.0.0, ..., 12.x-dev] but it conflicts with your root composer.json require (10.*). - pestphp/pest-plugin-laravel v3.2.0 requires laravel/framework ^11.39.1|^12.9.2 -> found laravel/framework[v11.39.1, ..., 11.x-dev, v12.9.2, ..., 12.x-dev] but it conflicts with your root composer.json require (10.*). - pestphp/pest-plugin-laravel 3.x-dev requires laravel/framework ^11.39.1|^12.25.0 -> found laravel/framework[v11.39.1, ..., 11.x-dev, v12.25.0, ..., 12.x-dev] but it conflicts with your root composer.json require (10.*). - 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 root composer.json require (10.*). - Conclusion: install laravel/framework 10.x-dev (conflict analysis result)