diff --git a/extmod/ulab b/extmod/ulab
index 22813d6736..a746bd8e09 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit 22813d673691490b74ba21b57a1853fbfcbfac5b
+Subproject commit a746bd8e0953853056ee405e2fa02c8ebca4fb79