diff --git a/build.sbt b/build.sbt
index b79a583..9f4babb 100644
--- a/build.sbt
+++ b/build.sbt
@@ -12,9 +12,14 @@ lazy val root = (project in file(".")).
     ),
     releaseCrossBuild := true,
     libraryDependencies ++= Seq(
-      "org.scalatest" % "scalatest_2.11" % "3.0.1" % "test",
-      "com.typesafe.play" % "play-json_2.11" % "2.5.13",
+      "org.scalatest" %% "scalatest" % "3.0.1" % "test",
       "net.jcazevedo" %% "moultingyaml" % "0.4.0"
+    ) ++ (
+      CrossVersion.partialVersion(scalaVersion.value) match {
+        case Some((2, scalaMajor)) if scalaMajor >= 2.12 =>
+          Seq("com.typesafe.play" %% "play-json" % "2.6.0-M6")
+        case _ =>
+          Seq("com.typesafe.play" %% "play-json" % "2.5.13")
+      }
     )
   )
-