Here are the basic steps you need to follow to update Ruby on Rails:
- Find the latest point version here: https://rubygems.org/gems/rails/versions
- I had Rails 4.1.9 installed. I updated to Rails 4.1.13
 
- Update your gemfile (gem 'rails', '4.1.13')
- Run bundle update rails
- Run rake rails:update- Press dto see how the rake task wants to update each file
- Normally there are no changes that you want to accept in a point upgrade, so use nto decline most/all changes.
 
- Press 
- Follow the Ruby on Rails Upgrade Guide to see any manual changes you need to make or new features you want to take advantage of when updating to a new minor or major version of Rails