diff --git a/src/monad b/src/monad
index 9aecfb12f6..378897d1d5 160000
--- a/src/monad
+++ b/src/monad
@@ -1 +1 @@
-Subproject commit 9aecfb12f69d91908812751e1b69d7c5c8098e07
+Subproject commit 378897d1d5cf19e63fb7faefd301eca6624daf38