diff --git a/build.sbt b/build.sbt
index 1baa13a..af7ac65 100644
--- a/build.sbt
+++ b/build.sbt
@@ -1,5 +1,5 @@
 ThisBuild / organization := "com.alexitc"
-ThisBuild / scalaVersion := "2.13.8"
+ThisBuild / scalaVersion := "2.13.15"
 
 inThisBuild(
   List(
diff --git a/examples/simple-app/build.sbt b/examples/simple-app/build.sbt
index 89c9ace..ec3083f 100644
--- a/examples/simple-app/build.sbt
+++ b/examples/simple-app/build.sbt
@@ -1,6 +1,6 @@
 name := "playsonify-simple-app"
 organization := "com.alexitc"
-scalaVersion := "2.13.8"
+scalaVersion := "2.13.15"
 
 lazy val root = (project in file("."))
   .enablePlugins(PlayScala)