Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires jbelien/phpstan-sarif-formatter 1 -> satisfiable by jbelien/phpstan-sarif-formatter[1.0.0]. - jbelien/phpstan-sarif-formatter 1.0.0 requires nette/utils ^3.2 -> satisfiable by nette/utils[v3.2.0, ..., v3.2.10]. - nette/utils v3.2.10 requires php >=7.2 <8.4 -> your php version (8.4.3) does not satisfy that requirement. - nette/utils[v3.2.0, ..., v3.2.3] require php >=7.2 <8.1 -> your php version (8.4.3) does not satisfy that requirement. - nette/utils[v3.2.5, ..., v3.2.7] require php >=7.2 <8.2 -> your php version (8.4.3) does not satisfy that requirement. - nette/utils[v3.2.8, ..., v3.2.9] require php >=7.2 <8.3 -> your php version (8.4.3) does not satisfy that requirement.