diff --git a/classes/class09/meta.json b/classes/class09/meta.json
index 6d43d62..1136538 100644
--- a/classes/class09/meta.json
+++ b/classes/class09/meta.json
@@ -3,5 +3,5 @@
     "id": "class-09",
     "description": "The ninth class focuses on reverse engineering. Please open the Google document provided to all registered students and follow the document.",
     "google_doc_url": "https://docs.google.com/document/d/18lDbO74j3CqQyIY-Aca_MjPHQG89X5XnPT6yh-R4V7k/edit?usp=sharing",
-    "yt_recording_url": ""
+    "yt_recording_url": "https://www.youtube.com/embed/hG3c8HdAdXw?si=nLWDishJywtTodmT"
 }