diff --git a/project/SharedSettings.scala b/project/SharedSettings.scala
index c3426ba..8c30929 100644
--- a/project/SharedSettings.scala
+++ b/project/SharedSettings.scala
@@ -30,6 +30,7 @@
 
   lazy val commonSettings: Seq[Def.Setting[_]] = Seq(
     scalaVersion := "2.11.12",
+    javacOptions in Compile ++= Seq("-source", "8", "-target", "8"),
     organization := "gerritforge",
     parallelExecution in Test := false,
     fork in Test := true,