diff --git a/extmod/ulab b/extmod/ulab
index a91b36986d..a746bd8e09 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit a91b36986d81fd906a6232010778f2a93d690f8e
+Subproject commit a746bd8e0953853056ee405e2fa02c8ebca4fb79