diff --git a/build.sbt b/build.sbt
index fc99c6a..4ef16f0 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,5 +1,5 @@
 ThisBuild / organization := "io.latis-data"
-ThisBuild / scalaVersion := "3.3.9"
+ThisBuild / scalaVersion := "3.9.0"
 
 val fs2DataVersion = "1.8.1"
 val http4sVersion = "0.23.38"