Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires orchestra/testbench 10.* -> satisfiable by orchestra/testbench[v10.0.0, 10.x-dev]. - Root composer.json requires pestphp/pest ^1.21 -> satisfiable by pestphp/pest[v1.21.0, ..., 1.x-dev]. - orchestra/testbench[v10.0.0, ..., 10.x-dev] require orchestra/testbench-core ^10.0.0 -> satisfiable by orchestra/testbench-core[v10.0.0, v10.0.1, 10.x-dev]. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.6.22. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.6.21. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.6.20. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.6.19. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.6.11. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.5.27. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.5.24. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.5.23. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.5.22. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.5.18. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.5.14. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.5.9. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.5.7. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.5.5. - orchestra/testbench-core[v10.0.1, ..., 10.x-dev] conflict with phpunit/phpunit 9.6.x-dev. - pestphp/pest[v1.21.0, ..., v1.22.1] require phpunit/phpunit ^9.5.5 -> satisfiable by phpunit/phpunit[9.5.5, ..., 9.6.x-dev]. - pestphp/pest[v1.22.2, ..., v1.22.3] require phpunit/phpunit ^9.5.26 -> satisfiable by phpunit/phpunit[9.5.26, ..., 9.6.x-dev]. - pestphp/pest v1.22.4 requires phpunit/phpunit ^9.6.0 -> satisfiable by phpunit/phpunit[9.6.0, ..., 9.6.x-dev]. - pestphp/pest v1.22.5 requires phpunit/phpunit ^9.6.4 -> satisfiable by phpunit/phpunit[9.6.4, ..., 9.6.x-dev]. - pestphp/pest v1.22.6 requires phpunit/phpunit ^9.6.5 -> satisfiable by phpunit/phpunit[9.6.5, ..., 9.6.x-dev]. - pestphp/pest v1.23.0 requires phpunit/phpunit ^9.6.7 -> satisfiable by phpunit/phpunit[9.6.7, ..., 9.6.x-dev]. - pestphp/pest[v1.23.1, ..., 1.x-dev] require phpunit/phpunit ^9.6.10 -> satisfiable by phpunit/phpunit[9.6.10, ..., 9.6.x-dev].