This document describes how to swap out the official Rails 5.2 gems with update instructions.. If you have installed Rails LTS before and want to update to a newer version, please see our
Subscribe to ato receive your credentials. If you already have a paid subscription for another version of Rails LTS, you can use the same credentials for Rails 5.2 LTS at no additional cost.
Make sure your project satisfies the system requirement for Rails LTS. This involves upgrading to the latest official Rails 5.2 release.
Open the Bundler configuration file (
Gemfile) in your project's root directory and find this line:
Replace that line with the following code:
source 'https://username:email@example.com' do gem 'rails', '~> 5.2.7' gem 'actioncable', require: false gem 'actionmailer', require: false gem 'actionpack', require: false gem 'actionview', require: false gem 'activejob', require: false gem 'activemodel', require: false gem 'activerecord', require: false gem 'activestorage', require: false gem 'activesupport', require: false gem 'railties', require: false gem 'railslts-version', require: false end
password with your personal credentials that you received after subscribing to Rails LTS.
Make sure a colon (
:) separates username and password. If you don't want these credentials in your Gemfile, you can also set them in an environment variable
Note that our repositories are available via SSL (https) only,
http://... will not work.
Run Bundler to complete the installation:
bundle update rails
You might get a lot of unrelated upgrades. If you want to get as few updates as necessary, you can instead try to use this:
bundle update rails actionpack actionview actionmailer activemodel activerecord activesupport railties activejob actioncable activestorage --conservative
Confirm that you are running the latest version of Rails 5.2 LTS.
Follow your normal release process (run tests, push, deploy to staging, do smoke/whatever testing, deploy to production).
Congratulations! You successfully deployed your application using Rails LTS.
If you have chosen to subscribe to the Rails LTS Notification List when signing up, you will be notified whenever a new patch for Rails LTS becomes available.
Rails 5.2 depends on Rack version 2.2.x (which itself is not currently part of Rails LTS). It has some minor security issues on its own. We have a publicthat fixes these issues.
YAML.safe_loadto deserialize certain database column. See details