diff --git a/lecture/lec09.md b/lecture/lec09.md
index 6e1abec..86fc502 100644
--- a/lecture/lec09.md
+++ b/lecture/lec09.md
@@ -13,4 +13,4 @@ Content by many dedicated Data 100 instructors at UC Berkeley. See our [Acknowle
 - [slides](https://docs.google.com/presentation/d/1qlsz6yHsNnmvVYRZ0uZpGQ1Pr-ozuh5rLcOhUz7na_c/edit?usp=sharing){:target="_blank"}
 - [code](https://data100.datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2FDS-100%2Ffa24-student&urlpath=lab%2Ftree%2Ffa24-student%2Flecture%2Flec09%2Flec09.ipynb&branch=main){:target="_blank"}
 - [code HTML](../../resources/assets/lectures/lec09/lec09.html){:target="_blank"}
-<!-- - [recording](https://youtu.be/8BYd0d2HOrs) -->
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+- [recording](https://youtu.be/WZbGVVUV6gg)
\ No newline at end of file