diff --git a/build.sbt b/build.sbt
index 4267d99a..79d4f1bc 100644
--- a/build.sbt
+++ b/build.sbt
@@ -71,7 +71,7 @@ lazy val paradox = project
     publish / skip := true
   )
 
-lazy val scala3 = "3.8.4"
+lazy val scala3 = "3.9.0"
 
 lazy val core = project
   .in(file("core"))