...Rubies might work with Rails LTS, we only test against the versions listed above. Bundler version Make sure that you have Bundler 1.11 or newer by running: gem list | grep...
...using Ruby 1.8.7 make sure that you install the latest compatible version: gem install bundler --version=1.13.7 If you are using Ruby 2, you can install the latest version of...
...with dependency resolution. If you use Ruby 1.8.7, we recommend using rubygems version 1.8.30 bundler version 1.17.3 On newer Rubies, you can use more modern versions of Rubygems and Bundler...
August 14th 2025, Rails version 3.2.22.50 Backported fixes for two vulnerabilies. Read the announcement. This includes: Dangerous transformation methods in...
This document describes how to swap out the official Rails 3.2 gems with Rails 3.2 LTS. If you have installed...
This document describes how to swap out the official Rails 4.2 gems with Rails 4.2 LTS. If you have installed...
August 14th 2025, Rails version 2.3.18.60 Backported fixes for two vulnerabilies. Read the announcement. This includes: Dangerous transformation methods in...
When running bundle install --verbose on Bundler versions 1.12+, you might see errors of the form HTTP 403 Forbidden https://username:password@gems.railslts.com/versions These errors are not fatal, Rails LTS...
...should still be installed correctly. This has been tested with all Bundler versions 1.12.x and 1.13.x. Background: Since version 1.12, Bundler includes a performance optimization called "compact gem...
August 14th 2025, Rails version 4.2.11.40 Backported fixes for two vulnerabilies. Read the announcement. This includes: Dangerous transformation methods in...
We have made all versions of Rails LTS compatible with Ruby 3.3 or below. All Rails components should work as...
Note You can find the updated guide here. Rails 2.3 LTS works with Ruby 1.8.7, Ruby 2.5, and Ruby 2.7...
Historically, the "rack" gem was not part of Rails LTS, simply because it was maintained and released separate from Ruby...
Rails 3.2 LTS, 4.2 LTS, 5.2 LTS Run the following command: bundle show rails This will display the path of...
Note You can find the updated guide here. Rails 3.2 LTS works with Ruby 1.8.7, 1.9.3, 2.3, 2.5, and 2.7...
This document assumes you have installed Rails LTS before and want to update to a new version of the Rails...
Starting with Rails LTS 2.3.18.19, it is possible to run Rails LTS with modern versions of RubyGems (2.6.13 at the...
This document describes how to swap out the official Rails 5.2 gems with Rails 5.2 LTS. If you have installed...
This document describes how to swap out the official Rails 6.1 gems with Rails 6.1 LTS. If you have installed...
This document describes install Rails 2.3 LTS when you are not using Bundler and you do not want to upgrade...
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Install the latest bundler version: gem install bundler Fetching bundler-2.3.5.gem Successfully installed bundler-2.3.5 1 gem installed Update the bundler version in Gemfile.lock: bundle update --bundler Confirm it worked:
...specified under BUNDLED_WITH in the Gemfile.lock. This had two annoying consequences: If the bundler version on your system was lower than in the Gemfile.lock, you got an error message...
...and had to manually install the correct version. If the bundler version on your system was higher than in the Gemfile.lock, bundler silently updated the version in the Gemfile.lock to...