diff --git a/build.sbt b/build.sbt
index 3703719..d779bee 100644
--- a/build.sbt
+++ b/build.sbt
@@ -22,3 +22,5 @@ libraryDependencies ++=
     Scalactic % "test",
     Scalatest % "test"
   )
+
+scalacOptions ++= Seq("-target:jvm-1.8")
\ No newline at end of file
diff --git a/release.sbt b/release.sbt
index 104e392..56e881d 100644
--- a/release.sbt
+++ b/release.sbt
@@ -18,7 +18,7 @@ releaseProcess := Seq[ReleaseStep](
 useGpg := true
 
 releaseCrossBuild := true
-crossScalaVersions := Seq("2.11.8", "2.12.0")
+crossScalaVersions := Seq("2.11.12", "2.12.8")
 
 TravisCredentials.updateCredentials()