diff --git a/libs/optional b/libs/optional
index c1519884ed..e210740301 160000
--- a/libs/optional
+++ b/libs/optional
@@ -1 +1 @@
-Subproject commit c1519884edfca56db6364282aca745f647ffcb2b
+Subproject commit e21074030123956f4b0ac28fd591f5b253f18af6