Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - symfony/stopwatch is locked to version v7.1.6 and an update of this package was not requested. - symfony/stopwatch v7.1.6 requires php >=8.2 -> your php version (8.1.31) does not satisfy that requirement. Problem 2 - php-coveralls/php-coveralls is locked to version v2.7.0 and an update of this package was not requested. - php-coveralls/php-coveralls v2.7.0 requires symfony/stopwatch ^2.0 || ^3.0 || ^4.0 || ^5.0 || ^6.0 || ^7.0 -> satisfiable by symfony/stopwatch[v7.1.6]. - symfony/stopwatch v7.1.6 requires php >=8.2 -> your php version (8.1.31) does not satisfy that requirement.