diff --git a/build.sbt b/build.sbt
index 862103b..c1d889b 100644
--- a/build.sbt
+++ b/build.sbt
@@ -6,7 +6,7 @@ organization := "org.webjars"
 
 name := "webjars-play"
 
-val Scala213 = "2.13.14"
+val Scala213 = "2.13.15"
 val Scala3 = "3.3.3"
 
 scalaVersion := Scala213
diff --git a/test-project/build.sbt b/test-project/build.sbt
index 19b9e84..7272f96 100644
--- a/test-project/build.sbt
+++ b/test-project/build.sbt
@@ -2,7 +2,7 @@ name := "test-project"
 
 version := "1.0"
 
-scalaVersion := "2.13.14"
+scalaVersion := "2.13.15"
 
 libraryDependencies ++= Seq(
   guice,