project/plugins.sbt (4 lines of code) (raw):
addSbtPlugin("com.github.sbt" % "sbt-release" % "1.1.0")
addSbtPlugin("org.xerial.sbt" % "sbt-sonatype" % "3.10.0")
addSbtPlugin("ch.epfl.scala" % "sbt-version-policy" % "3.2.0")
// to generate scala classes for tests only
libraryDependencies += "com.twitter" %% "scrooge-generator" % "22.7.0"