diff --git a/src/monad b/src/monad
index 1716756565..1d97da69e7 160000
--- a/src/monad
+++ b/src/monad
@@ -1 +1 @@
-Subproject commit 1716756565fde25989501e14dfc7d391ebe4f247
+Subproject commit 1d97da69e7cd9bb932de907c459c532208deba0d