diff --git a/.gitignore b/.gitignore
index 2d7bcaf6..eead8b7c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,6 +19,10 @@ project/plugins/project/
 # Scala-IDE specific
 .scala_dependencies
 .worksheet
+.idea
 
 # Ensime
 .ensime
+
+# OSX
+.DS_Store
diff --git a/client/shared/src/main/scala/org/scalaexercises/evaluator/EvaluatorResponses.scala b/client/shared/src/main/scala/org/scalaexercises/evaluator/EvaluatorResponses.scala
index 666e0cfe..15618084 100644
--- a/client/shared/src/main/scala/org/scalaexercises/evaluator/EvaluatorResponses.scala
+++ b/client/shared/src/main/scala/org/scalaexercises/evaluator/EvaluatorResponses.scala
@@ -15,9 +15,8 @@ import org.scalaexercises.evaluator.free.algebra.EvaluatorOp
 
 import scala.concurrent.Future
 import scala.concurrent.ExecutionContext.Implicits.global
-
-import fr.hmil.roshttp.HttpResponse
-import fr.hmil.roshttp.HeaderMap
+import fr.hmil.roshttp.response.SimpleHttpResponse
+import fr.hmil.roshttp.util.HeaderMap
 
 object EvaluatorResponses {
 
@@ -40,7 +39,7 @@ object EvaluatorResponses {
 
   case class UnexpectedException(msg: String) extends EvaluationException(msg)
 
-  def toEntity[A](futureResponse: Future[HttpResponse])(
+  def toEntity[A](futureResponse: Future[SimpleHttpResponse])(
     implicit D: Decoder[A]): Future[EvaluationResponse[A]] =
     futureResponse map {
       case r if isSuccess(r.statusCode) ⇒
diff --git a/client/shared/src/main/scala/org/scalaexercises/evaluator/http/HttpRequestBuilder.scala b/client/shared/src/main/scala/org/scalaexercises/evaluator/http/HttpRequestBuilder.scala
index bbbd4689..42a232ec 100644
--- a/client/shared/src/main/scala/org/scalaexercises/evaluator/http/HttpRequestBuilder.scala
+++ b/client/shared/src/main/scala/org/scalaexercises/evaluator/http/HttpRequestBuilder.scala
@@ -8,12 +8,13 @@ package org.scalaexercises.evaluator.http
 import org.scalaexercises.evaluator.http.HttpClient._
 
 import scala.concurrent.Future
-
-import fr.hmil.roshttp.{HttpRequest, Method, HttpResponse}
-import fr.hmil.roshttp.body.BodyPart
-
+import fr.hmil.roshttp.{HttpRequest, Method}
+import fr.hmil.roshttp.body.BulkBodyPart
+import fr.hmil.roshttp.response.SimpleHttpResponse
 import java.nio.ByteBuffer
 
+import monix.execution.Scheduler.Implicits.global
+
 case class HttpRequestBuilder(
   url: String,
   httpVerb: String,
@@ -21,17 +22,17 @@ case class HttpRequestBuilder(
   body: String = ""
 ) {
 
-  case class CirceJSONBody(value: String) extends BodyPart {
+  case class CirceJSONBody(value: String) extends BulkBodyPart {
     override def contentType: String = s"application/json; charset=utf-8"
-
-    override def content: ByteBuffer = ByteBuffer.wrap(value.getBytes("utf-8"))
+    override def contentData: ByteBuffer =
+      ByteBuffer.wrap(value.getBytes("utf-8"))
   }
 
   def withHeaders(headers: Headers) = copy(headers = headers)
 
   def withBody(body: String) = copy(body = body)
 
-  def run: Future[HttpResponse] = {
+  def run: Future[SimpleHttpResponse] = {
 
     val request = HttpRequest(url)
       .withMethod(Method(httpVerb))
diff --git a/project/EvaluatorBuild.scala b/project/EvaluatorBuild.scala
index 00f995db..3a416d87 100644
--- a/project/EvaluatorBuild.scala
+++ b/project/EvaluatorBuild.scala
@@ -23,7 +23,7 @@ object EvaluatorBuild extends AutoPlugin {
       'jwtcore -> "0.8.0",
       'log4s -> "1.3.0",
       'monix -> "2.0.3",
-      'roshttp -> "1.1.0",
+      'roshttp -> "2.0.0-RC1",
       'scalacheck -> "1.12.5",
       'scalaTest -> "2.2.6",
       'slf4j -> "1.7.21"
@@ -50,7 +50,7 @@ object EvaluatorBuild extends AutoPlugin {
 
 
   private[this] def baseSettings = Seq(
-    version := "0.1.1-SNAPSHOT",
+    version := "0.1.2-SNAPSHOT",
     organization := "org.scala-exercises",
     scalaVersion := "2.11.8",
     scalafmtConfig in ThisBuild := Some(file(".scalafmt")),