Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires helmich/phpunit-psr7-assert ^4.4.1 -> satisfiable by helmich/phpunit-psr7-assert[v4.4.1]. - helmich/phpunit-psr7-assert v4.4.1 conflicts with phpunit/phpunit 11.0.2. - Root composer.json requires phpunit/phpunit ^11.0.0 -> satisfiable by phpunit/phpunit[11.0.0, 11.0.1, 11.0.2]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.