diff --git a/build.sbt b/build.sbt
index 9153fad..e884449 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,7 @@ addCommandAlias("ci-docs", "github; documentation/mdoc; headerCreateAll")
 addCommandAlias("ci-publish", "github; ci-release")
 
 lazy val scala212             = "2.12.20"
-lazy val scala213             = "2.13.14"
+lazy val scala213             = "2.13.15"
 lazy val scala3Version        = "3.5.1"
 lazy val scala2Versions       = Seq(scala212, scala213)
 lazy val allScalaVersions     = scala2Versions :+ scala3Version