Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - phpspec/prophecy is locked to version 1.13.0 and an update of this package was not requested. - phpspec/prophecy 1.13.0 requires php ^7.2 || ~8.0, <8.1 -> your php version (8.1.2) does not satisfy that requirement. Problem 2 - phpspec/prophecy 1.13.0 requires php ^7.2 || ~8.0, <8.1 -> your php version (8.1.2) does not satisfy that requirement. - phpunit/phpunit 8.5.16 requires phpspec/prophecy ^1.10.3 -> satisfiable by phpspec/prophecy[1.13.0]. - phpunit/phpunit is locked to version 8.5.16 and an update of this package was not requested.