diff --git a/build.sbt b/build.sbt
index bfba97e..4c62b14 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,3 +1,6 @@
+// shadow sbt-scalajs' crossProject and CrossType from Scala.js 0.6.x
+import sbtcrossproject.CrossPlugin.autoImport.{crossProject, CrossType}
+
 organization := "tv.cntt"
 name         := "scaposer"
 version      := "1.11.1-SNAPSHOT"
@@ -9,9 +12,16 @@ scalacOptions ++= Seq("-deprecation", "-feature", "-unchecked")
 javacOptions ++= Seq("-source", "1.8", "-target", "1.8")
 
 // Scala 2.11+ core does not include scala.util.parsing.combinator
-libraryDependencies += "org.scala-lang.modules" %% "scala-parser-combinators" % "1.1.2"
+libraryDependencies += "org.scala-lang.modules" %%% "scala-parser-combinators" % "1.1.2"
+
+libraryDependencies += "org.specs2" %%% "specs2-core" % "4.10.2" % "test"
+
+lazy val scaposer = crossProject(JVMPlatform, JSPlatform)
+  .crossType(CrossType.Pure)
 
-libraryDependencies += "org.specs2" %% "specs2-core" % "4.6.0" % "test"
+lazy val scaposerJS = scaposer.js
+lazy val scaposerJVM = scaposer.jvm
 
-//https://github.com/scala/scala-parser-combinators/issues/197
-fork in Test := true
\ No newline at end of file
+lazy val root = (project in file("."))
+  .aggregate(scaposerJS, scaposerJVM)
+  .settings(skip in publish := true)
diff --git a/jitpack.yml b/jitpack.yml
new file mode 100644
index 0000000..7227adf
--- /dev/null
+++ b/jitpack.yml
@@ -0,0 +1,3 @@
+install:
+   - sbt '++ publishM2'
+   - env SCALAJS_VERSION="0.6.32" sbt '++ publishM2'
diff --git a/project/build.properties b/project/build.properties
index 8e682c5..654fe70 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.18
+sbt.version=1.3.12
diff --git a/project/plugins.sbt b/project/plugins.sbt
index b599e4d..b6353b7 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1,2 +1,7 @@
 // Run sbt eclipse to create Eclipse project file
 addSbtPlugin("com.typesafe.sbteclipse" % "sbteclipse-plugin" % "5.2.4")
+
+// http://www.scala-js.org/news/2020/02/25/announcing-scalajs-1.0.0/#cross-building-for-scalajs-06x-and-1x
+val scalaJSVersion = scala.util.Properties.envOrElse("SCALAJS_VERSION", "1.1.1")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % scalaJSVersion)
+addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.0.0")