Ruby 2.3.3 now supported on Heroku | Heroku Dev CenterAdditional ResourcesHomeElementsProductsPricingCareersHelpStatusEventsPodcastsCompliance CenterHeroku BlogHeroku Blog Find out what's new with Heroku on our blog. Visit Blog Ruby 2.3.3 now supported on HerokuChange effective on 21 November 2016 Ruby v2.3.3 is now available on Heroku. To run your app using this version of Ruby, add the following ruby directive to your Gemfile: ruby "2.3.3" then run
