diff --git a/project/deps/package.mill b/project/deps/package.mill
index d1b7009105..a9f9e70d16 100644
--- a/project/deps/package.mill
+++ b/project/deps/package.mill
@@ -23,7 +23,7 @@ object Scala {
   def runnerScala3          = scala3LegacyLts
   def scala3NextPrefix      = "3.9"
   def scala3Next            = s"$scala3NextPrefix.0" // the newest/next version of Scala
-  def scala3NextAnnounced   = "3.8.4"      // the newest/next version of Scala that's been announced
+  def scala3NextAnnounced   = "3.9.0"      // the newest/next version of Scala that's been announced
   def scala3NextRc          = "3.10.0-RC1" // the latest RC version of Scala Next
   def scala3NextRcAnnounced = "3.9.0-RC6"  // the latest announced RC version of Scala Next