diff --git a/libs/functional b/libs/functional
index 7379ed774950..af18fb438a7c 160000
--- a/libs/functional
+++ b/libs/functional
@@ -1 +1 @@
-Subproject commit 7379ed774950bc7e4ac1a7793cc4b467311b908c
+Subproject commit af18fb438a7c2344fcb468ab77c0ccfb839ce2b8