Days like this I <i>really hate</i> the Ruby&#x2F;Gem&#x2F;Bundler eco-system.<p><pre><code>  $ bundle exec gem list |grep i18n     
  i18n (0.6.9)

  $ bundle exec gem update i18n         
  Updating installed gems
  Updating i18n
  Successfully installed i18n-0.7.0
  Gems updated: i18n
  Installing ri documentation for i18n-0.7.0...
  Installing RDoc documentation for i18n-0.7.0...

  $ bundle exec gem update activesupport
  Updating installed gems
  Updating activesupport
  ERROR:  Error installing activesupport:
          activesupport requires i18n (~&gt; 0.7)
  Gems updated: i18n, thread_safe
  Installing ri documentation for i18n-0.7.0...
  Installing ri documentation for thread_safe-0.3.5...
  Installing RDoc documentation for i18n-0.7.0...
  Installing RDoc documentation for thread_safe-0.3.5...
  bundle exec gem update activesupport  23.83s user 0.30s system 98% cpu 24.521 total

  $ bundle exec gem list |grep i18n     
  i18n (0.6.9)</code></pre>