Your requirements could not be resolved to an installable set of packages. Problem 1 - mezzio/mezzio[3.19.0, ..., 3.20.1] require laminas/laminas-stratigility ^3.5 -> found laminas/laminas-stratigility[3.5.0, ..., 3.12.0] but it conflicts with your root composer.json require (^4.0.2). - Root composer.json requires mezzio/mezzio ^3.19.0 -> satisfiable by mezzio/mezzio[3.19.0, 3.19.1, 3.20.0, 3.20.1]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.