Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php ^8.2.0 but your php version (8.1.27) does not satisfy that requirement. Problem 2 - Root composer.json requires nunomaduro/collision dev-feat/phpunit11 -> satisfiable by nunomaduro/collision[dev-feat/phpunit11]. - nunomaduro/collision dev-feat/phpunit11 requires php ^8.2.0 -> your php version (8.1.27) does not satisfy that requirement. Problem 3 - Root composer.json requires nunomaduro/termwind ^2.0.0 -> satisfiable by nunomaduro/termwind[v2.0.0, 2.x-dev]. - nunomaduro/termwind[v2.0.0, ..., 2.x-dev] require php ^8.2 -> your php version (8.1.27) does not satisfy that requirement. Problem 4 - Root composer.json requires pestphp/pest-plugin ^3.0.0 -> satisfiable by pestphp/pest-plugin[3.x-dev]. - pestphp/pest-plugin 3.x-dev requires php ^8.2 -> your php version (8.1.27) does not satisfy that requirement. Problem 5 - Root composer.json requires pestphp/pest-plugin-arch ^3.0.0 -> satisfiable by pestphp/pest-plugin-arch[3.x-dev]. - pestphp/pest-plugin-arch 3.x-dev requires php ^8.2 -> your php version (8.1.27) does not satisfy that requirement. Problem 6 - Root composer.json requires pestphp/pest-dev-tools ^3.0.0 -> satisfiable by pestphp/pest-dev-tools[3.x-dev]. - pestphp/pest-dev-tools 3.x-dev requires php ^8.2.0 -> your php version (8.1.27) does not satisfy that requirement. Problem 7 - Root composer.json requires pestphp/pest-plugin-type-coverage ^3.0.0 -> satisfiable by pestphp/pest-plugin-type-coverage[3.x-dev]. - pestphp/pest-plugin-type-coverage 3.x-dev requires php ^8.2 -> your php version (8.1.27) does not satisfy that requirement. Problem 8 - Root composer.json requires symfony/process ^7.0.0 -> satisfiable by symfony/process[v7.0.0-BETA1, ..., 7.1.x-dev]. - symfony/process[v7.0.0-BETA1, ..., 7.1.x-dev] require php >=8.2 -> your php version (8.1.27) does not satisfy that requirement. Problem 9 - phpunit/phpunit dev-main requires php >=8.2 -> your php version (8.1.27) does not satisfy that requirement. - phpunit/phpunit 11.0.x-dev is an alias of phpunit/phpunit dev-main and thus requires it to be installed too. - Root composer.json requires phpunit/phpunit ^11.0.0 -> satisfiable by phpunit/phpunit[11.0.x-dev (alias of dev-main)].