diff --git a/vendor/micropython b/vendor/micropython
index c2dffad559..543ad3d432 160000
--- a/vendor/micropython
+++ b/vendor/micropython
@@ -1 +1 @@
-Subproject commit c2dffad55929a45091f33e22f2d8f220bdde41f9
+Subproject commit 543ad3d43277b81d25c6f6cbba4215e12d761856