diff --git a/build.sbt b/build.sbt
index 723a46f..1aa3145 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,11 +2,11 @@ organization := "com.kifi"
 
 name := "json-annotation"
 
-version := "0.2"
+version := "0.3.1"
 
-scalaVersion := "2.11.1"
+scalaVersion := "2.12.4"
 
-crossScalaVersions := Seq("2.10.2", "2.10.3", "2.10.4", "2.11.0", "2.11.1")
+crossScalaVersions := Seq("2.10.2", "2.10.3", "2.10.4", "2.11.0", "2.11.1", "2.12.4")
 
 resolvers ++= Seq(
   Resolver.sonatypeRepo("releases"),
@@ -21,15 +21,15 @@ libraryDependencies ++= (
 )
 
 libraryDependencies ++= Seq(
-  "com.typesafe.play" %% "play-json" % "2.3.1" % Test,
-  "org.specs2" %% "specs2" % "2.3.13" % Test
+  "com.typesafe.play" %% "play-json" % "2.6.2" % Test,
+  "org.specs2" %% "specs2-core" % "3.9.4" % Test
 )
 
 unmanagedSourceDirectories in Compile <+= (sourceDirectory in Compile, scalaBinaryVersion){
   (sourceDir, version) => sourceDir / (if (version.startsWith("2.10")) "scala_2.10" else "scala_2.11")
 }
 
-addCompilerPlugin("org.scalamacros" % "paradise" % "2.0.1" cross CrossVersion.full)
+addCompilerPlugin("org.scalamacros" % "paradise" % "2.1.0" cross CrossVersion.full)
 
 scalacOptions in ThisBuild ++= Seq("-unchecked", "-deprecation")