diff --git a/compiler.sbt b/compiler.sbt
index 6307ff9..5063a6c 100644
--- a/compiler.sbt
+++ b/compiler.sbt
@@ -1,6 +1,6 @@
 ThisBuild / scalaVersion := "2.12.20"
 
-val scala3Lts = "3.4.3"
+val scala3Lts = "3.8.4"
 
 ThisBuild / crossScalaVersions := Seq(
   "2.11.12",