diff --git a/lib/build.gradle b/lib/build.gradle
index 68e0648..e7c1999 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -50,7 +50,7 @@ repositories {
 
 dependencies {
     // Use Scala 2.13 in our library project
-    implementation 'org.scala-lang:scala-library:2.13.8'
+    implementation 'org.scala-lang:scala-library:2.13.9'
     implementation 'com.typesafe.play:play-json_2.13:2.9.2'
 
     // Use Scalatest for testing our library