diff --git a/src/Work.php b/src/Work.php
index 4c2cebb..034a30a 100644
--- a/src/Work.php
+++ b/src/Work.php
@@ -4,6 +4,6 @@
 
 namespace Mammatus\Queue\Contracts;
 
-interface Work
+interface Work extends \JsonSerializable
 {
 }