JDK 7u141 now available

Change effective on 18 May 2017

Heroku’s support for Java has been upgraded to include OpenJDK 7u141. To set the JDK version for an application, create a system.properties file in the root directory of your project and put the following code in it:

java.runtime.version=1.7.0_141

To use Azul® Zulu® JDK version 7u141, put the following code your system.properties file:

java.runtime.version=zulu-1.7.0_141

For more information on Heroku’s Java support, see the Dev Center documentation for Java. For more information on OpenJDK 7u141, see the OpenJDK documentation for Java 7.