diff --git a/project/build.properties b/project/build.properties
index 46e43a9..d6de1a0 100644
--- a/project/build.properties
+++ b/project/build.properties
@@ -1 +1 @@
-sbt.version=1.8.2
+sbt.version=1.9.0-RC1
diff --git a/src/main/scala/interplay/PlaySbtBuildBase.scala b/src/main/scala/interplay/PlaySbtBuildBase.scala
index d7fbd0e..5a59be1 100644
--- a/src/main/scala/interplay/PlaySbtBuildBase.scala
+++ b/src/main/scala/interplay/PlaySbtBuildBase.scala
@@ -11,7 +11,7 @@ private[interplay] object PlaySbtBuildBase extends AutoPlugin {
   override def projectSettings = Seq(
     scalaVersion := ScalaVersions.scala212,
     crossScalaVersions := Seq(ScalaVersions.scala212),
-    pluginCrossBuild / sbtVersion := SbtVersions.sbt17,
+    pluginCrossBuild / sbtVersion := SbtVersions.sbt19,
     compile / javacOptions ++= Seq("--release", "11"),
     doc / javacOptions := Seq("-source", "11")
   )
diff --git a/src/main/scala/interplay/Versions.scala b/src/main/scala/interplay/Versions.scala
index 569ad29..3ab8299 100644
--- a/src/main/scala/interplay/Versions.scala
+++ b/src/main/scala/interplay/Versions.scala
@@ -7,5 +7,5 @@ object ScalaVersions {
 }
 
 object SbtVersions {
-  val sbt17 = "1.8.2"
+  val sbt19 = "1.9.0-RC1"
 }