Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires orchestra/testbench 9.* -> satisfiable by orchestra/testbench[v9.0.0, ..., 9.x-dev]. - Conclusion: don't install laravel/framework v11.0.1 (conflict analysis result) - Conclusion: don't install laravel/framework v11.0.0 (conflict analysis result) - Root composer.json requires pestphp/pest ^1.22|^2.34 -> satisfiable by pestphp/pest[v1.22.0, ..., 1.x-dev, v2.34.0, ..., 2.x-dev]. - Conclusion: don't install laravel/framework v11.0.2 (conflict analysis result) - nunomaduro/collision[v7.10.0, ..., v7.x-dev] conflict with laravel/framework >=11.0.0. - nunomaduro/collision[v7.10.0, ..., v7.x-dev] conflict with laravel/framework 11.x-dev. - Conclusion: install nunomaduro/collision v7.10.0 (conflict analysis result) - Root composer.json requires laravel/framework 11.* -> satisfiable by laravel/framework[v11.0.0, ..., 11.x-dev].