diff --git a/build.sbt b/build.sbt
index c9e4be9..2fd215d 100644
--- a/build.sbt
+++ b/build.sbt
@@ -13,7 +13,7 @@ developers := List(
   )
 )
 
-crossScalaVersions := List("2.12.20", "2.13.14")
+crossScalaVersions := List("2.12.20", "2.13.15")
 scalaVersion       := crossScalaVersions.value.last
 
 ThisBuild / versionScheme          := Some("semver-spec")