diff --git a/build.sbt b/build.sbt
index ce8a91a..34961c2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -30,14 +30,14 @@ bintrayPackage := "sbt-protobuf"
 
 bintrayReleaseOnPublish := false
 
-ScriptedPlugin.scriptedSettings
-
 scriptedBufferLog := false
 
 scriptedLaunchOpts += s"-Dplugin.version=${version.value}"
 scriptedLaunchOpts += s"-Dprotoc-jar.version=3.7.1"
 
-crossSbtVersions := Seq("0.13.18", "1.0.4")
+crossSbtVersions := Seq("0.13.18", "1.2.8")
+
+enablePlugins(SbtPlugin)
 
 releaseProcess := Seq[ReleaseStep](
   checkSnapshotDependencies,
diff --git a/project/build.properties b/project/build.properties
index 8e682c5..c0bab04 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=0.13.18
+sbt.version=1.2.8
diff --git a/project/plugins.sbt b/project/plugins.sbt
index ece1958..db909fc 100644
--- a/project/plugins.sbt
+++ b/project/plugins.sbt
@@ -2,4 +2,4 @@ addSbtPlugin("org.foundweekends" % "sbt-bintray" % "0.5.5")
 
 addSbtPlugin("com.github.gseitz" % "sbt-release" % "1.0.11")
 
-libraryDependencies += "org.scala-sbt" % "scripted-plugin" % sbtVersion.value
+libraryDependencies += "org.scala-sbt" %% "scripted-plugin" % sbtVersion.value