diff --git a/build.sbt b/build.sbt
index 21e789c2a..cc4b66836 100644
--- a/build.sbt
+++ b/build.sbt
@@ -115,7 +115,7 @@ lazy val buildSettings = Seq(
 
 lazy val catsVersion      = "2.13.0"
 lazy val scala2Version    = "2.13.18"
-lazy val scala3Version    = "3.3.8"
+lazy val scala3Version    = "3.9.0"
 lazy val scalaNextVersion = "3.8.4"
 
 lazy val cats              = Def.setting("org.typelevel" %%% "cats-core" % catsVersion)