diff --git a/src/monad b/src/monad
index d541b07343..01ff8a3f79 160000
--- a/src/monad
+++ b/src/monad
@@ -1 +1 @@
-Subproject commit d541b073435e55fd96771697e5549cc9a188fa54
+Subproject commit 01ff8a3f7967503f805933d17b90ddb23402b866