diff --git a/mum-theme-beamer b/mum-theme-beamer
index ef1507e..9dfb9af 160000
--- a/mum-theme-beamer
+++ b/mum-theme-beamer
@@ -1 +1 @@
-Subproject commit ef1507e15de7bc96a2bf65d54449f9ca9cf224c3
+Subproject commit 9dfb9afbda601b7bea70a24d2634d2783b71531b