Java 19 now available

Change effective on 26 September 2022

Heroku’s support for Java, Scala, Clojure, and Gradle now includes support for OpenJDK version 19. To use this version of the JDK, create a file in your application with the following contents:


After your next deployment, Heroku will install and run your app with OpenJDK 19. For more information, see the article on Heroku Support for Java in the Dev Center. For more information on OpenJDK 19, see the official OpenJDK documentation.