diff --git a/build.sbt b/build.sbt
index 7fc8b26..c5d3dec 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,7 +3,7 @@ lazy val `play-webgoat` = (project in file(".")).enablePlugins(PlayScala)
 name := "play-webgoat"
 version := "1.0"
 
-crossScalaVersions := Seq("2.13.18", "3.3.8")
+crossScalaVersions := Seq("3.9.0", "3.3.8")
 scalaVersion := crossScalaVersions.value.head // tc-skip
 
 libraryDependencies ++= Seq(guice, ws)