diff --git a/build.sbt b/build.sbt
index c7a30ae..1b9e0f3 100644
--- a/build.sbt
+++ b/build.sbt
@@ -19,7 +19,7 @@ lazy val root = project
   .settings(
     organization := "com.horothesun",
     name := "advent-of-code-2023",
-    scalaVersion := "3.4.1",
+    scalaVersion := "3.4.2",
     libraryDependencies ++= Seq(
       "org.typelevel" %% "cats-core" % catsVersion,
       "org.typelevel" %% "kittens" % kittensVersion,