diff --git a/tools/boostbook b/tools/boostbook
index 006f34db46..6d6b3c9e54 160000
--- a/tools/boostbook
+++ b/tools/boostbook
@@ -1 +1 @@
-Subproject commit 006f34db466e456a2850354e77005ed461673c4c
+Subproject commit 6d6b3c9e544150777dd885756d5c2312142f16a9
diff --git a/tools/quickbook b/tools/quickbook
index 89991aa11f..e9455295ff 160000
--- a/tools/quickbook
+++ b/tools/quickbook
@@ -1 +1 @@
-Subproject commit 89991aa11ff79d07b06efcd9f8db170218706fd8
+Subproject commit e9455295ff8fc410a3dabd556dfb1f24566b5af5