Java 7 upgraded to JDK 7u79

Change effective on 15 April 2015

Heroku’s support for Java 7 has been upgraded to OpenJDK 7u79. This change affects all Java, Scala, Clojure, Groovy and JRuby applications with the following setting in their file:


This is a security release that will only take effect after your application’s next deployment, so it is strongly recommended that you redeploy at your earliest convenience.

Heroku’s Java 8 support remains at version 8u40 and is still the default version when a file is not present.

For more information on Heroku’s Java support, see the Dev Center documentation for Java. For more information on OpenJDK7 u79, see the OpenJDK documentation for Java 7.