 <p>As you can see in <a href="https://github.com/playframework/playframework/blob/2.3.x/framework/src/sbt-plugin/src/sbt-test/play-sbt-plugin/secret/project/Build.scala" rel="nofollow">this test</a> of the Play framework itself, you need to use <code>play.PlayScala</code>.</p> <pre><code>Project(id = dir, base = file(dir)).enablePlugins(play.PlayScala) </code></pre>