diff --git a/lib/micropython-lib b/lib/micropython-lib
index 68e3e07bc7..e4cf09527b 160000
--- a/lib/micropython-lib
+++ b/lib/micropython-lib
@@ -1 +1 @@
-Subproject commit 68e3e07bc7ab63931cead3854b2a114e9a084248
+Subproject commit e4cf09527bce7569f5db742cf6ae9db68d50c6a9