diff --git a/docs/themes/book b/docs/themes/book
index 3f1bcccbfb247..a486adf8462c0 160000
--- a/docs/themes/book
+++ b/docs/themes/book
@@ -1 +1 @@
-Subproject commit 3f1bcccbfb247da44ab5410a97576c0bf6da103b
+Subproject commit a486adf8462c0abfc9034436ddd72927d6656809