diff --git a/extmod/ulab b/extmod/ulab
index 8b804f3bcd..743d86487c 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit 8b804f3bcd8c5a3ac1b3e09e0ff7faf8270751de
+Subproject commit 743d86487c83e42024ed508ed50499ad0a527d5d