Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires ergebnis/rector-rules ~1.1.0 -> satisfiable by ergebnis/rector-rules[1.1.0]. - ergebnis/rector-rules 1.1.0 requires symplify/rule-doc-generator-contracts ^9.3.26 -> satisfiable by symplify/rule-doc-generator-contracts[v9.3.26, ..., 9.4.70]. - nette/utils v3.2.10 requires php >=7.2 <8.4 -> your php version (8.4.1) does not satisfy that requirement. - nette/utils[v3.2.0, ..., v3.2.3] require php >=7.2 <8.1 -> your php version (8.4.1) does not satisfy that requirement. - nette/utils[v3.2.5, ..., v3.2.7] require php >=7.2 <8.2 -> your php version (8.4.1) does not satisfy that requirement. - nette/utils[v3.2.8, ..., v3.2.9] require php >=7.2 <8.3 -> your php version (8.4.1) does not satisfy that requirement. - symplify/rule-doc-generator-contracts[v9.3.26, ..., 9.4.70] require nette/utils ^3.2 -> satisfiable by nette/utils[v3.2.0, ..., v3.2.10]. Use the option --with-all-dependencies (-W) to allow upgrades, downgrades and removals for packages currently locked to specific versions.