diff --git a/build.sbt b/build.sbt
index 646af702..ae8b2da6 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,7 +3,7 @@ import laika.helium.config.HeliumIcon
 import laika.helium.config.IconLink
 import org.typelevel.sbt.site.GenericSiteSettings
 
-ThisBuild / scalaVersion := "2.13.14"
+ThisBuild / scalaVersion := "2.13.15"
 ThisBuild / crossScalaVersions := List(scalaVersion.value)
 ThisBuild / tlBaseVersion := "6.0"
 ThisBuild / githubWorkflowJavaVersions := Seq(JavaSpec.temurin("11"))