diff --git a/build.sbt b/build.sbt
new file mode 100644
index 00000000..a9534fb8
--- /dev/null
+++ b/build.sbt
@@ -0,0 +1,67 @@
+import sbt._
+import Keys._
+
+val Specs2Version = "3.9.1"
+
+val commonSettings = Seq(
+  version := "0.27.5-SNAPSHOT",
+  credentials += Credentials(Path.userHome / ".ivy2" / ".credentials"),
+  organization := "com.rockymadden.stringmetric",
+  pomExtra :=
+    <url>http://rockymadden.com/stringmetric/</url>
+      <licenses>
+        <license>
+          <name>MIT</name>
+          <distribution>repo</distribution>
+        </license>
+      </licenses>
+      <scm>
+        <url>git@github.com:rockymadden/stringmetric.git</url>
+        <connection>scm:git:git@github.com:rockymadden/stringmetric.git</connection>
+      </scm>
+      <developers>
+        <developer>
+          <id>rockymadden</id>
+          <name>Rocky Madden</name>
+          <url>http://rockymadden.com/</url>
+        </developer>
+      </developers>,
+  publishMavenStyle := true,
+  publishTo := Some(
+    "Sonatype" at "https://oss.sonatype.org/service/local/staging/deploy/maven2"),
+  resolvers ++= Seq(DefaultMavenRepository),
+  scalaVersion := "2.11.11",
+  crossScalaVersions := Seq("2.12.3", "2.11.11", "2.10.4")
+)
+
+lazy val stringmetric = project
+  .in(file("."))
+  .settings(commonSettings)
+  .settings( name := "stringmetric")
+  .aggregate(core.jvm, core.js, cli)
+
+lazy val core = crossProject
+  .crossType(CrossType.Pure)
+  .in(file("core"))
+  .settings(commonSettings)
+  .settings(
+    name := "stringmetric-core"
+  )
+  .jvmSettings(
+    libraryDependencies ++= Seq(
+      "org.specs2" %% "specs2-junit" % Specs2Version % "test")
+  )
+
+lazy val coreJs = core.js
+
+lazy val coreJvm = core.jvm
+
+lazy val cli: Project = project
+  .in(file("cli"))
+  .settings(commonSettings)
+  .settings(
+    libraryDependencies ++= Seq(
+      "org.specs2" %% "specs2-junit" % Specs2Version % "test"),
+    name := "stringmetric-cli"
+  )
+  .dependsOn(core.jvm)
diff --git a/project/build.properties b/project/build.properties
index 37b489cb..64317fda 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.1
+sbt.version=0.13.15
diff --git a/project/build.scala b/project/build.scala
deleted file mode 100644
index e13649b7..00000000
--- a/project/build.scala
+++ /dev/null
@@ -1,52 +0,0 @@
-import sbt._
-import Keys._
-
-object CoreBuild extends Build {
-	lazy val root = Project("stringmetric", file("."),
-		settings = Defaults.defaultSettings ++ Seq(
-			credentials += Credentials(Path.userHome / ".ivy2" / ".credentials"),
-			name := "stringmetric",
-			organization := "com.rockymadden.stringmetric",
-			pomExtra :=
-				<url>http://rockymadden.com/stringmetric/</url>
-					<licenses>
-						<license>
-							<name>MIT</name>
-							<distribution>repo</distribution>
-						</license>
-					</licenses>
-					<scm>
-						<url>git@github.com:rockymadden/stringmetric.git</url>
-						<connection>scm:git:git@github.com:rockymadden/stringmetric.git</connection>
-					</scm>
-					<developers>
-						<developer>
-							<id>rockymadden</id>
-							<name>Rocky Madden</name>
-							<url>http://rockymadden.com/</url>
-						</developer>
-					</developers>,
-			publishMavenStyle := true,
-			publishTo := Some("Sonatype" at "https://oss.sonatype.org/service/local/staging/deploy/maven2"),
-			resolvers ++= Seq(DefaultMavenRepository),
-			scalaVersion := "2.11.1",
-			crossScalaVersions := Seq("2.11.1", "2.10.4"),
-			crossVersion := CrossVersion.binary,
-			version := "0.27.4"
-		)
-	).aggregate(core, cli)
-
-	lazy val core: Project = Project("core", file("core"),
-		settings = (root.settings: Seq[sbt.Def.Setting[_]]) ++ Seq(
-			libraryDependencies ++= Seq("org.specs2" %% "specs2" % "2.3.12" % "test"),
-			name := "stringmetric-core"
-		)
-	)
-
-	lazy val cli: Project = Project("cli", file("cli"),
-		settings = (root.settings: Seq[sbt.Def.Setting[_]]) ++ Seq(
-			libraryDependencies ++= Seq("org.specs2" %% "specs2" % "2.3.12" % "test"),
-			name := "stringmetric-cli"
-		)
-	).dependsOn(core)
-}
diff --git a/project/plugins.sbt b/project/plugins.sbt
index 9cf23fb8..6eb6504c 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -1 +1,3 @@
 addSbtPlugin("com.typesafe.sbt" % "sbt-pgp" % "0.8.1")
+addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.18")
+addSbtPlugin("io.get-coursier" % "sbt-coursier" % "1.0.0-RC8")