diff --git a/app/Application.php b/app/Application.php
index d7dedbde..f20ac336 100644
--- a/app/Application.php
+++ b/app/Application.php
@@ -15,7 +15,7 @@ class Application extends IlluminateApplication
      *
      * @link https://github.com/phanan/koel/releases
      */
-    public const KOEL_VERSION = 'v4.2.0';
+    public const KOEL_VERSION = 'v4.2.1';
 
     /**
      * We have merged public path and base path.
diff --git a/resources/assets b/resources/assets
index 1e8252a8..78201030 160000
--- a/resources/assets
+++ b/resources/assets
@@ -1 +1 @@
-Subproject commit 1e8252a8da3164c8074398ef97966a2f682286a9
+Subproject commit 7820103060660e43f8d7493a51e8735535ee12d1