diff --git a/doc/api/worker_threads.md b/doc/api/worker_threads.md
index bc9f18402fcfaf..ca3aed6140ca16 100644
--- a/doc/api/worker_threads.md
+++ b/doc/api/worker_threads.md
@@ -234,6 +234,8 @@ listeners for the event exist.
 added: v10.5.0
 -->
 
+* Extends: {EventEmitter}
+
 The `Worker` class represents an independent JavaScript execution thread.
 Most Node.js APIs are available inside of it.