diff --git a/build.sbt b/build.sbt
index 6ab70abbe..e70bebd5c 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,4 +1,5 @@
 import ScalaModulePlugin._
+import sbtcrossproject.crossProject
 
 scalaVersionsByJvm in ThisBuild := {
   val v211 = "2.11.12"
@@ -15,7 +16,7 @@ lazy val root = project.in(file("."))
   .aggregate(xmlJS, xmlJVM)
   .settings(disablePublishing)
 
-lazy val xml = crossProject.in(file("."))
+lazy val xml = crossProject(JSPlatform, JVMPlatform).in(file("."))
   .settings(scalaModuleSettings)
   .jvmSettings(scalaModuleSettingsJVM)
   .settings(
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 7974aa440..72d502582 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -7,4 +7,6 @@ else
   // see https://github.com/scala/sbt-scala-module/issues/35
   Seq(addSbtPlugin("com.typesafe.sbt" % "sbt-osgi" % "0.9.3"))
 
-addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.22")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.23")
+
+addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "0.4.0")