sbt 2 is now supported for Scala apps
Change effective on 14 July 2026
Scala apps on Heroku now support sbt 2 (2.0.1 and later).
See the sbt 2.0.0 release announcement and the migration guide from sbt 1.x for what’s new.
Set sbt.version to a supported 2.x release in your /project/build.properties file to use it. For more info, see Heroku Scala Support.