diff --git a/build.sbt b/build.sbt
index 0b1ab01..371dbf2 100644
--- a/build.sbt
+++ b/build.sbt
@@ -4,7 +4,7 @@ version := "12.0.0-SNAPSHOT"
 
 lazy val root = (project in file(".")).enablePlugins(PlayJava)
 
-scalaVersion := "3.3.3"
+scalaVersion := "3.4.2"
 
 val playPac4jVersion = "12.0.0-PLAY3.0"
 val pac4jVersion = "6.0.2"