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, 9.6.10] but it conflicts with your root composer.json require (^10.2.6). - wyrihaximus/test-utilities 5.5.6 requires phpunit/phpunit ^9.6.10 -> found phpunit/phpunit[9.6.10] but it conflicts with your root composer.json require (^10.2.6). - Root composer.json requires wyrihaximus/test-utilities ^5.5.4 || ^6 -> satisfiable by wyrihaximus/test-utilities[5.5.4, 5.5.5, 5.5.6]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.