diff --git a/build.sbt b/build.sbt
index d20746c4..95367bca 100644
--- a/build.sbt
+++ b/build.sbt
@@ -107,7 +107,7 @@ 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 = "3.8.4"
 
 lazy val cats              = Def.setting("org.typelevel" %%% "cats-core" % catsVersion)
 lazy val catsFree          = Def.setting("org.typelevel" %%% "cats-free" % catsVersion)