Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires php-coveralls/php-coveralls ^2 -> satisfiable by php-coveralls/php-coveralls[v2.0.0, ..., v2.7.0]. - typo3/minimal v13.1.0 requires typo3/cms-core ^13.1 -> satisfiable by typo3/cms-core[v13.3.0]. - typo3/minimal v13.0.0 requires typo3/cms-core ^13.0 -> satisfiable by typo3/cms-core[v13.3.0]. - Conclusion: don't install typo3/cms-core v13.3.0 (conflict analysis result) - Root composer.json requires typo3/minimal ^13 -> satisfiable by typo3/minimal[v13.0.0, v13.1.0].