Your requirements could not be resolved to an installable set of packages. Problem 1 - ergebnis/composer-normalize is locked to version 2.37.0 and an update of this package was not requested. - ergebnis/composer-normalize 2.37.0 requires php ~8.1.0 || ~8.2.0 -> your php version (7.4.33) does not satisfy that requirement. Problem 2 - ergebnis/php-cs-fixer-config is locked to version 5.15.1 and an update of this package was not requested. - ergebnis/php-cs-fixer-config 5.15.1 requires php ~8.1.0 || ~8.2.0 -> your php version (7.4.33) does not satisfy that requirement. Problem 3 - phpunit/phpunit[8.0.0, ..., 8.1.6] require sebastian/diff ^3.0 -> found sebastian/diff[3.0.0, ..., 3.0.6] but these were not loaded, likely because it conflicts with another require. - phpunit/phpunit[8.2.0, ..., 8.5.37] require sebastian/diff ^3.0.2 -> found sebastian/diff[3.0.2, ..., 3.0.6] but these were not loaded, likely because it conflicts with another require. - Root composer.json requires phpunit/phpunit ^8.0.0 -> satisfiable by phpunit/phpunit[8.0.0, ..., 8.5.37]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.