diff --git a/build.sbt b/build.sbt
index 2c34ceb..8f33b50 100644
--- a/build.sbt
+++ b/build.sbt
@@ -5,8 +5,8 @@ lazy val root = (project in file("."))
     licenses += ("Apache-2.0", url("https://www.apache.org/licenses/LICENSE-2.0")),
     scmInfo := Some(ScmInfo(url("https://github.com/moia-oss/scala-pekko-http-client"), "scm:git@github.com:moia-oss/scala-pekko-http-client.git")),
     homepage := Some(url("https://github.com/moia-oss/scala-pekko-http-client")),
-    scalaVersion := "2.13.14",
-    crossScalaVersions := List("2.12.20", "2.13.14"),
+    scalaVersion := "2.13.15",
+    crossScalaVersions := List("2.12.20", "2.13.15"),
     versionScheme := Some("early-semver"),
     scalacOptions ++= {
       CrossVersion.partialVersion(scalaVersion.value) match {