Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit ^7, found phpunit/phpunit[7.0.0, ..., 7.5.20] but these were not loaded, because they are affected by security advisories ("PKSA-z3gr-8qht-p93v"). Go to https://packagist.org/security-advisories/ to find advisory details. To ignore the advisories, add them to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. Problem 2 - Root composer.json requires illuminate/support 5.7.* -> satisfiable by illuminate/support[v5.7.0, ..., 5.7.x-dev], laravel/framework[5.7.x-dev]. - illuminate/support[v5.7.0, ..., v5.7.1] require nesbot/carbon ^1.24.1 -> found nesbot/carbon[1.24.1, ..., 1.39.1] but these were not loaded, because they are affected by security advisories ("PKSA-csyb-yc4p-mnbs"). Go to https://packagist.org/security-advisories/ to find advisory details. To ignore the advisories, add them to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. - illuminate/support[v5.7.2, ..., 5.7.x-dev] require nesbot/carbon ^1.26.3 -> found nesbot/carbon[1.26.3, ..., 1.39.1] but these were not loaded, because they are affected by security advisories ("PKSA-csyb-yc4p-mnbs"). Go to https://packagist.org/security-advisories/ to find advisory details. To ignore the advisories, add them to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config. - laravel/framework 5.7.x-dev require nesbot/carbon ^1.26.3 -> found nesbot/carbon[1.26.3, ..., 1.39.1] but these were not loaded, because they are affected by security advisories ("PKSA-csyb-yc4p-mnbs"). Go to https://packagist.org/security-advisories/ to find advisory details. To ignore the advisories, add them to the audit "ignore" config. To turn the feature off entirely, you can set "block-insecure" to false in your "audit" config.