diff --git a/DeviceDetector.php b/DeviceDetector.php
index 231d6b978a..2fa90b7e7d 100644
--- a/DeviceDetector.php
+++ b/DeviceDetector.php
@@ -62,7 +62,7 @@ class DeviceDetector
     /**
      * Current version number of DeviceDetector
      */
-    public const VERSION = '4.2.0';
+    public const VERSION = '4.2.1';
 
     /**
      * Constant used as value for unknown browser / os