diff --git a/ws2023/groupschemes-lecture b/ws2023/groupschemes-lecture
index 215e46c..ff678c3 160000
--- a/ws2023/groupschemes-lecture
+++ b/ws2023/groupschemes-lecture
@@ -1 +1 @@
-Subproject commit 215e46c90439d658fca78964fd6aab556b0e0976
+Subproject commit ff678c3b5c65ff10ff2785ac0d787de7e444bb85