diff --git a/build.sbt b/build.sbt
index 7ccc304..ed32d26 100644
--- a/build.sbt
+++ b/build.sbt
@@ -12,7 +12,7 @@ val Version = new {
   val Munit = "1.3.6"
   val MunitCatsEffect = "2.2.0"
   val MunitScalacheck = "1.3.1"
-  val Scala213 = "2.13.18"
+  val Scala213 = "3.9.0"
   val Scala3 = "3.3.8"
   val ScalajsDom = "2.8.1"
   val Sconfig = "2.0.0"