diff --git a/build.sbt b/build.sbt
index 3f673d1..eefbcc0 100644
--- a/build.sbt
+++ b/build.sbt
@@ -2,7 +2,7 @@ import sbtcrossproject.CrossPlugin.autoImport.crossProject
 import sbtcrossproject.CrossType
 
 // Scala versions
-val scala213 = "2.13.18"
+val scala213 = "3.9.0"
 
 val scala3 = List("3.3.8")