diff --git a/src/monad-ext b/src/monad-ext
index bd3356bd4..f8e5171eb 160000
--- a/src/monad-ext
+++ b/src/monad-ext
@@ -1 +1 @@
-Subproject commit bd3356bd4bc7515ae5e13f3b6c98ba3f97cb0275
+Subproject commit f8e5171eb9efd23c81b881e4fd645155b4996345