Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires symfony/dependency-injection ^7.2.3 -> satisfiable by symfony/dependency-injection[v7.2.3]. - symfony/dependency-injection v7.2.3 requires php >=8.2 -> your php version (8.1.30) does not satisfy that requirement. Problem 2 - behat/behat[v3.16.0, ..., v3.18.1] require symfony/dependency-injection ^5.4 || ^6.4 || ^7.0 -> satisfiable by symfony/dependency-injection[v7.2.3]. - behat/behat[v3.14.0, ..., v3.15.0] require symfony/dependency-injection ^4.4 || ^5.0 || ^6.0 || ^7.0 -> satisfiable by symfony/dependency-injection[v7.2.3]. - symfony/dependency-injection v7.2.3 requires php >=8.2 -> your php version (8.1.30) does not satisfy that requirement. - Root composer.json requires behat/behat ^3.14.0 -> satisfiable by behat/behat[v3.14.0, ..., v3.18.1]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.