diff --git a/reveal.js b/reveal.js
index 3fcf0db96e1a65336677e4ff7df813ed9c4a6792..a4b7f9dff7ef360afdb6d0cb53fd89063cbe0b66 160000
--- a/reveal.js
+++ b/reveal.js
@@ -1 +1 @@
-Subproject commit 3fcf0db96e1a65336677e4ff7df813ed9c4a6792
+Subproject commit a4b7f9dff7ef360afdb6d0cb53fd89063cbe0b66