Your requirements could not be resolved to an installable set of packages. Problem 1 - wyrihaximus/test-utilities[5.5.4, ..., 5.5.5] require phpunit/phpunit ^9.6.9 -> found phpunit/phpunit[9.6.9, ..., 9.6.13] but it conflicts with your root composer.json require (^10.4.0). - wyrihaximus/test-utilities[5.5.6, ..., 5.6.0] require phpunit/phpunit ^9.6.10 -> found phpunit/phpunit[9.6.10, 9.6.11, 9.6.12, 9.6.13] but it conflicts with your root composer.json require (^10.4.0). - Root composer.json requires wyrihaximus/test-utilities ^5.5.4 || ^6 -> satisfiable by wyrihaximus/test-utilities[5.5.4, ..., 5.6.0]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.