diff --git a/app/adapter/GroupController.scala b/app/adapter/GroupController.scala
index 6579c5b..0259b19 100644
--- a/app/adapter/GroupController.scala
+++ b/app/adapter/GroupController.scala
@@ -1,28 +1,28 @@
 package adapter
 
-import javax.inject.Inject
-
 import contract.usecase.PickLeaderUseCase
 import domain.GroupId
+import javax.inject.{Inject, Singleton}
 import play.api.data.Forms._
 import play.api.data._
-import play.api.libs.concurrent.Execution.Implicits.defaultContext
-import play.api.mvc.{Action, Controller}
+import play.api.mvc.{AbstractController, ControllerComponents}
+
+import scala.concurrent.ExecutionContext
 
-import scala.concurrent.Future
+@Singleton
+class GroupController @Inject()(useCase: PickLeaderUseCase, presenter: PickedLeaderPresenter, controllerComponents: ControllerComponents) extends AbstractController(controllerComponents) {
 
-class GroupController @Inject()(useCase: PickLeaderUseCase, presenter: PickedLeaderPresenter) extends Controller {
+  private implicit lazy val ec: ExecutionContext = defaultExecutionContext
 
-  val form = Form(
+  private val form = Form(
     mapping(
       "groupId" -> number
     )(GroupId.apply)(GroupId.unapply)
   )
 
-  def pickLeader = Action.async { implicit request =>
-    form.bindFromRequest.fold(_ => Future.successful(BadRequest("not found query parameter: `groupId`")), (groupId: GroupId) =>
-      presenter.response(useCase.execute(groupId))
-    )
+  def pickLeader = Action.async(parse.form(form)) { implicit request =>
+    val groupId = request.body
+    presenter.response(useCase.execute(groupId))
   }
 
 }
diff --git a/build.sbt b/build.sbt
index 3a96105..fdc627c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,7 +3,7 @@ name := "cleanArchSample"
 version := "1.0"
 
 lazy val scalacSettings = Seq(
-  scalaVersion := "2.11.7",
+  scalaVersion := "2.12.8",
   scalacOptions := Seq(
     "-feature",
     "-language:implicitConversions",
@@ -15,24 +15,11 @@ lazy val scalacSettings = Seq(
   )
 )
 
-lazy val playResolvers = Seq(
-  "scalaz-bintray" at "https://dl.bintray.com/scalaz/releases"
-)
-
 lazy val playDependencies = Seq(
-  jdbc,
-  cache,
-  ws,
-  specs2 % Test
-)
-
-lazy val playSettings = Seq(
-  routesGenerator := InjectedRoutesGenerator,
-  unmanagedResourceDirectories in Test <+=  baseDirectory ( _ /"target/web/public/test" )
+  guice,
+  "org.scalatestplus.play" %% "scalatestplus-play" % "3.1.2" % Test
 )
 
 lazy val `cleanarchsample` = (project in file("."))
-  .settings(scalacSettings ++ playSettings: _*)
-  .settings(resolvers ++= playResolvers)
-  .settings(libraryDependencies ++= playDependencies)
   .enablePlugins(PlayScala)
+  .settings(libraryDependencies ++= playDependencies)
diff --git a/conf/application.conf b/conf/application.conf
index 39e78e5..70e7582 100644
--- a/conf/application.conf
+++ b/conf/application.conf
@@ -5,57 +5,11 @@
 # ~~~~~
 # The secret key is used to secure cryptographics functions.
 # If you deploy your application to several instances be sure to use the same key!
-application.secret="%APPLICATION_SECRET%"
+play.http.secret.key="%APPLICATION_SECRET%"
 
 # The application languages
 # ~~~~~
-application.langs="en"
-
-# Global object class
-# ~~~~~
-# Define the Global object class for this application.
-# Default to Global in the root package.
-# application.global=Global
-
-# Router
-# ~~~~~
-# Define the Router object to use for this application.
-# This router will be looked up first when the application is starting up,
-# so make sure this is the entry point.
-# Furthermore, it's assumed your route file is named properly.
-# So for an application router like `my.application.Router`,
-# you may need to define a router file `conf/my.application.routes`.
-# Default to Routes in the root package (and conf/routes)
-# application.router=my.application.Routes
-
-# Database configuration
-# ~~~~~
-# You can declare as many datasources as you want.
-# By convention, the default datasource is named `default`
-#
-# db.default.driver=org.h2.Driver
-# db.default.url="jdbc:h2:mem:play"
-# db.default.user=sa
-# db.default.password=""
-
-# Evolutions
-# ~~~~~
-# You can disable evolutions if needed
-# evolutionplugin=disabled
-
-# Logger
-# ~~~~~
-# You can also configure logback (http://logback.qos.ch/),
-# by providing an application-logger.xml file in the conf directory.
-
-# Root logger:
-logger.root=ERROR
-
-# Logger used by the framework:
-logger.play=INFO
-
-# Logger provided to your application:
-logger.application=DEBUG
+play.i18n.langs=["en"]
 
 play.modules.enabled += "adapter.AdapterModule"
 play.modules.enabled += "usecase.UseCaseModule"
diff --git a/conf/logback.xml b/conf/logback.xml
new file mode 100644
index 0000000..0050290
--- /dev/null
+++ b/conf/logback.xml
@@ -0,0 +1,22 @@
+<configuration>
+
+    <conversionRule conversionWord="coloredLevel" converterClass="play.api.libs.logback.ColoredLevel" />
+
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%coloredLevel %logger{15} - %message%n%xException{10}</pattern>
+        </encoder>
+    </appender>
+
+    <appender name="ASYNCSTDOUT" class="ch.qos.logback.classic.AsyncAppender">
+        <appender-ref ref="STDOUT" />
+    </appender>
+
+    <logger name="play" level="INFO" />
+    <logger name="application" level="DEBUG" />
+
+    <root level="WARN">
+        <appender-ref ref="ASYNCSTDOUT" />
+    </root>
+
+</configuration>
diff --git a/project/build.properties b/project/build.properties
index 817bc38..c0bab04 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.9
+sbt.version=1.2.8
diff --git a/project/plugins.sbt b/project/plugins.sbt
index eb7c9b7..044c172 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,5 +1,3 @@
 logLevel := Level.Warn
 
-resolvers += "Typesafe repository" at "http://repo.typesafe.com/typesafe/releases/"
-
-addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.4.6")
\ No newline at end of file
+addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.6.21")