diff --git a/build.sbt b/build.sbt
index 2e92ea11..50cbe789 100644
--- a/build.sbt
+++ b/build.sbt
@@ -7,7 +7,7 @@ lazy val commonSettings = Seq(
   organizationHomepage := Some(uri("http://evolution.com")),
   homepage             := Some(uri("http://github.com/evolution-gaming/akka-effect")),
   startYear            := Some(2019),
-  crossScalaVersions   := Seq("2.13.18", "3.3.8"),
+  crossScalaVersions   := Seq("2.13.18", "3.9.0"),
   scalaVersion         := crossScalaVersions.value.head,
   Compile / doc / scalacOptions ++= Seq("-groups", "-implicits", "-no-link-warnings"),
   Compile / doc / scalacOptions -= "-Xfatal-warnings",