diff --git a/botbook b/botbook
index 23a6b78..e40c452 160000
--- a/botbook
+++ b/botbook
@@ -1 +1 @@
-Subproject commit 23a6b7874d8f15abc38675b8f13c8403e025dd1c
+Subproject commit e40c45202c1050db97f616d48420314258ddcb1a