diff --git a/security/docs/presentations.txt b/security/docs/presentations.txt
index 62f2283b4..6f65be0e6 100644
--- a/security/docs/presentations.txt
+++ b/security/docs/presentations.txt
@@ -1,3 +1,6 @@
+2024
+Otus - Auth Open Lesson ru 55:00 of 1:43:11
+    https://www.youtube.com/watch?v=QmW5Mq9UNw0
 2022
 ByteByteGo - SSL, TLS, HTTPS Explained of 5:53
     https://www.youtube.com/watch?v=j9QmMEWmcfo