Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires moneyphp/money ^4.1 -> satisfiable by moneyphp/money[v4.1.0, ..., v4.5.1]. - moneyphp/money[v4.1.0, ..., v4.2.0] require php ~8.0.0 || ~8.1.0 || ~8.2.0 -> your php version (8.4.0-dev) does not satisfy that requirement. - moneyphp/money[v4.3.0, ..., v4.4.0] require php ~8.0.0 || ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0-dev) does not satisfy that requirement. - moneyphp/money[v4.5.0, ..., v4.5.1] require php ~8.1.0 || ~8.2.0 || ~8.3.0 -> your php version (8.4.0-dev) does not satisfy that requirement.