diff --git a/build.sbt b/build.sbt
index 450e098..f62546f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -8,7 +8,7 @@ organizationHomepage := Some(uri("https://evolution.com"))
 homepage := Some(uri("https://github.com/evolution-gaming/resource-pool"))
 startYear := Some(2023)
 
-crossScalaVersions := Seq("2.13.18", "3.3.8")
+crossScalaVersions := Seq("3.9.0", "3.3.8")
 scalaVersion := crossScalaVersions.value.head
 scalacOptions := crossSettings(
   scalaVersion = scalaVersion.value,