Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires composer/composer ^2.4.4 -> satisfiable by composer/composer[2.9.3, 2.9.4, 2.9.5]. - Root composer.json requires phpstan/phpstan 1.10.56 -> satisfiable by phpstan/phpstan[1.10.56]. - composer/composer[2.9.3, ..., 2.9.5] require composer/pcre ^2.3 || ^3.3 -> satisfiable by composer/pcre[2.3.0, 2.3.1, 2.3.2, 3.3.0, 3.3.1, 3.3.2]. - composer/pcre[2.3.0, ..., 2.3.2, 3.3.0, ..., 3.3.2] conflict with phpstan/phpstan <1.11.10.