OpenJDK 27.0.1, 25.0.5, 21.0.13, 17.0.21, 11.0.33 and 1.8.0_512 now available
Change effective on 23 October 2026
Heroku’s support for Java, Scala, Clojure, and Groovy now uses the following default versions for each supported major version:
- Java 8 is now
1.8.0_512 - Java 11 is now
11.0.33 - Java 17 is now
17.0.21 - Java 21 is now
21.0.13 - Java 25 is now
25.0.5 - Java 27 is now
27.0.1
Please visit the Dev Center for more information on Java version support.