diff --git a/build.sbt b/build.sbt
index bb986b9..5445cec 100644
--- a/build.sbt
+++ b/build.sbt
@@ -46,8 +46,7 @@ lazy val `sbt-scalajs-crossproject` =
     .settings(sbtPluginSettings)
     .settings(
       moduleName := "sbt-scalajs-crossproject",
-      addSbtPlugin("org.portable-scala" % "sbt-platform-deps" % "1.0.0"),
-      addSbtPlugin("org.scala-js"       % "sbt-scalajs"       % "0.6.23")
+      addSbtPlugin("org.scala-js" % "sbt-scalajs" % "0.6.23")
     )
     .settings(publishSettings)
     .dependsOn(`sbt-crossproject`)
@@ -59,8 +58,7 @@ lazy val `sbt-scala-native-crossproject` =
     .settings(sbtPluginSettings)
     .settings(
       moduleName := "sbt-scala-native-crossproject",
-      addSbtPlugin("org.portable-scala" % "sbt-platform-deps" % "1.0.0"),
-      addSbtPlugin("org.scala-native"   % "sbt-scala-native"  % "0.3.7")
+      addSbtPlugin("org.scala-native" % "sbt-scala-native" % "0.3.7")
     )
     .settings(publishSettings)
     .dependsOn(`sbt-crossproject`)
@@ -74,7 +72,7 @@ lazy val `sbt-crossproject` =
     .settings(scaladocFromReadme)
     .settings(publishSettings)
     .settings(
-      addSbtPlugin("org.portable-scala" % "sbt-platform-deps" % "1.0.0")
+      addSbtPlugin("org.portable-scala" % "sbt-platform-deps" % "1.0.2")
     )
 
 lazy val `sbt-crossproject-test` =
diff --git a/project/build.properties b/project/build.properties
index 9edb75b..3c0b78a 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.5.4
+sbt.version=1.9.1