```ruby
group :development do
  gem 'guard', '2.14.0'
    gem 'listen', '2.10.1', require: false
  gem 'guard-gulp', '~>0.0.2', require: false
  gem 'guard-shell', '~>0.6.1', require: false
  gem 'rb-inotify', '~>0.9.0', require: false
  gem 'rb-fsevent', require: false
  gem 'rb-fchange', require: false
  gem 'colorize', require: false

  gem "letter_opener"
  gem 'spring', '>= 1.3.2'
  gem 'spring-commands-rspec', '1.0.2'

  # Option to DISABLE_RUBY_DEBUGGING is helpful IDE-based debugging.
  # The ruby debug gems conflict with the IDE-based debugger gem.
  # Set this option in your dev environment to disable.


  unless ENV['DISABLE_RUBY_DEBUGGING']
    gem 'byebug', '~> 9.0', platform: :mri
  end
end
```

Revert "bump buard and listen"
user
```ruby
group :development do
  gem 'guard', '1.8.0'
  gem 'guard-gulp', '~>0.0.2', require: false
  gem 'guard-shell', '~>0.6.1', require: false
  gem 'listen', '~>1.3' # pinned to fix guard error
  gem 'rb-inotify', '~>0.9.0', require: false
  gem 'rb-fsevent', require: false
  gem 'rb-fchange', require: false
  gem 'colorize', require: false

  gem "letter_opener"
  gem 'spring', '>= 1.3.2'
  gem 'spring-commands-rspec', '1.0.2'

  # Option to DISABLE_RUBY_DEBUGGING is helpful IDE-based debugging.
  # The ruby debug gems conflict with the IDE-based debugger gem.
  # Set this option in your dev environment to disable.


  unless ENV['DISABLE_RUBY_DEBUGGING']
    gem 'byebug', '~> 9.0', platform: :mri
  end
end
```
assistant