diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2364bf4..6b514ae 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,4 +12,4 @@ jobs:
   test:
     uses: evolution-gaming/scala-github-actions/.github/workflows/ci.yml@61f111a4472fde7b63e5921ac8a238f22d1bb028 # v7.0.1
     with:
-      scala_versions: '["3.3.8"]'
\ No newline at end of file
+      scala_versions: '["3.9.0"]'
\ No newline at end of file
diff --git a/build.sbt b/build.sbt
index 1e4c783..a04cfaf 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,7 +3,7 @@ import ProjectMatrixSyntax.*
 import sbt.Keys.*
 import sbt.ProjectMatrix
 
-lazy val scalaVersions = Seq("2.13.18", "3.3.8")
+lazy val scalaVersions = Seq("2.13.18", "3.9.0")
 
 lazy val commonSettings = Seq(
   organization := "com.evolutiongaming",