diff --git a/project/OmnidocBuild.scala b/project/OmnidocBuild.scala
index fe58eb2..5c7f895 100644
--- a/project/OmnidocBuild.scala
+++ b/project/OmnidocBuild.scala
@@ -10,7 +10,7 @@ import java.io.IOException
 object OmnidocBuild {
 
   val scala213 = "2.13.18"
-  val scala3 = "3.3.8"
+  val scala3 = "3.9.0"
 
   val playOrganisation = "com.typesafe.play"
   val scalaTestPlusPlayOrganisation = "org.scalatestplus.play"