diff --git a/tools/boostbook b/tools/boostbook
index 4e5a5ab0d364..322bd0adccea 160000
--- a/tools/boostbook
+++ b/tools/boostbook
@@ -1 +1 @@
-Subproject commit 4e5a5ab0d364ead933a9a153cadd821940545abe
+Subproject commit 322bd0adccea20ff5fc6d20088f2e2704eb1fddc