diff --git a/project/build.sbt b/project/build.sbt
index b38e917..be99e51 100644
--- a/project/build.sbt
+++ b/project/build.sbt
@@ -1,6 +1,6 @@
 // https://github.com/portable-scala/sbt-crossproject
-addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.0.0")
-addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.0.0")
+addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.3.1")
+addSbtPlugin("org.portable-scala" % "sbt-scala-native-crossproject" % "1.3.1")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.9.0")
 addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.4.3")