diff --git a/doc/sphinx/_html_extra b/doc/sphinx/_html_extra
index 3f1f7ced..c902a261 160000
--- a/doc/sphinx/_html_extra
+++ b/doc/sphinx/_html_extra
@@ -1 +1 @@
-Subproject commit 3f1f7ced1507c87f98094f546ac0eba9be3e10ba
+Subproject commit c902a26123d04560459bcab81512cce8e3184b21