diff --git a/build.sbt b/build.sbt
index d4da680..08cb886 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,6 +1,6 @@
 name := "web-push"
 
-scalaVersion := "2.13.3"
+scalaVersion := "2.13.6"
 
 libraryDependencies ++= {
   val akkaV     = "2.6.10"