diff --git a/lectures b/lectures
index 53cbac3..b092250 160000
--- a/lectures
+++ b/lectures
@@ -1 +1 @@
-Subproject commit 53cbac3a3759b0dc5ec4500396896209ed4b5e5e
+Subproject commit b0922505f7089871f835673ad75717e20211ff26