Upgrade Rails on Mac

First let’s check our version:


ruby -v
rails -v
gem -v


In my case the Rails version was outdated. Let’s upgrade it:


sudo gem update --system
sudo gem update rails --include-dependencies
sudo gem update rake --include-dependencies
sudo gem update sqlite3-ruby --include-dependencies
sudo gem install mongrel # ok, this one is optional, but still nice to have, when switching from rails 1 to rails 2


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