diff --git a/libs/optional b/libs/optional
index c60db27762..c1519884ed 160000
--- a/libs/optional
+++ b/libs/optional
@@ -1 +1 @@
-Subproject commit c60db27762ff9cc16529e069c3c15f2fa898f994
+Subproject commit c1519884edfca56db6364282aca745f647ffcb2b