diff --git a/tools/Hamud_Book b/tools/Hamud_Book
index d525af4c..920506b5 160000
--- a/tools/Hamud_Book
+++ b/tools/Hamud_Book
@@ -1 +1 @@
-Subproject commit d525af4ceff7427b0528b6dccaa042ee8ef186db
+Subproject commit 920506b5f12660d1372829343c87542e8f669380