diff --git a/tools/boostbook b/tools/boostbook
index e08a377bc7..330c8abf0e 160000
--- a/tools/boostbook
+++ b/tools/boostbook
@@ -1 +1 @@
-Subproject commit e08a377bc7bde8738c6151ceff854c2c1f229351
+Subproject commit 330c8abf0ee9eadfbd74903baf52fbdfb7b6a4e9