How I updated Monolog Library | Composer

  • Created composer.json file from GitHub repo
  • Creaed composer.lock file from Github repo
  • Manually update monolog/monolog version to 2.9.1 in composer.json file
  • Manually update monolog/monolog version to 2.9.1 in composer.lock file on line 578
  • Run composer update monolog/monolog: 2.9.1