diff --git a/project/Dependencies.scala b/project/Dependencies.scala
index 3443dcbe5..69a7ff99a 100644
--- a/project/Dependencies.scala
+++ b/project/Dependencies.scala
@@ -18,7 +18,7 @@ object Dependencies {
 
   val Scala213 = "2.13.18" // update even in link-validator.conf
   val Scala3 = "3.3.8"
-  val Scala3Next = "3.8.4"
+  val Scala3Next = "3.9.0-RC3"
   val PublishedScalaVersions = Seq(Scala213, Scala3)
 
   val PekkoVersion = PekkoCoreDependency.version