What should I do about this "#version_requirements is deprecated" warning

Question

$ ruby -v
ruby 1.8.7 (2009-06-12 patchlevel 174) [universal-darwin10.0]

$ rails -v
Rails 2.3.5

Whenever I run script/server I get this warning:

=> Booting Mongrel
=> Rails 2.3.5 application starting on http://0.0.0.0:3000
./script/../config/../vendor/rails/railties/lib/rails/gem_dependency.rb:119: \
    Warning: Gem::Dependency#version_requirements is deprecated and \
    will be removed on or after August 2010.  Use #requirement

What can I do about it?

Should I upgrade Rails or some part of Rails?

Or is there something else I should do to address the warning?

I'm not sure what they mean by "Use#requirement". Where should I use it?

BTW, I'm not ready to switch to Rails 3 yet. I would have to update too many production apps and I don't have time right now. So a solution that keeps me on Rails 2.x is best.

---

My environment.rb file:

require File.join(File.dirname(__FILE__), 'boot')

Rails::Initializer.run do |config|

  config.gem('haml', :source => 'http://gemcutter.org')
  config.gem('fastercsv', :source => 'http://gemcutter.org')
  config.gem('ruby-net-ldap', :lib => 'net/ldap', :source => 'http://gemcutter.org')
  config.gem('paperclip', :source => 'http://gemcutter.org')
  config.gem('searchlogic', :source => 'http://gemcutter.org')

  config.action_controller.session = {
    :session_key => '_employeedata_session',
    :secret      => '...'
  }

  config.active_record.schema_format = :sql

  config.time_zone = 'Pacific Time (US & Canada)'

  config.after_initialize do
    ExceptionNotifier.exception_recipients = %w( ... )
    ExceptionNotifier.sender_address = %( ... )
    ExceptionNotifier.email_prefix = "[Employee Data app error] "
  end

end

Answer 1

Here's your answer: http://www.mattvsworld.com/blog/2010/03/version_requirements-deprecated-warning-in-rails/