diff --git a/build.sbt b/build.sbt
index 1df0d57a..5c8b05fd 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 import org.scalafmt.sbt.ScalafmtPlugin.autoImport.scalafmtOnCompile
 import sbt.Keys.resolvers
-val mainScala        = "2.13.12"
+val mainScala        = "2.13.13"
 val scala3Version    = "3.3.1"
 val allScala         = Seq(mainScala, scala3Version)
 val zioVersion       = "2.0.21"