By the way, it's been changed to `bin/rails app:update` since 5.0: https://guides.rubyonrails.org/upgrading_ruby_on_rails.html#the-update-task https://guides.ru

By the way, it's been changed to `bin/rails app:update` since 5.0: https://guides.rubyonrails.org/upgrading_ruby_on_rails.html#the-update-task https://guides.rubyonrails.org/upgrading_ruby_on_rails.html#...