diff --git a/extmod/ulab b/extmod/ulab
index 7f2c1ae52b..8242b84753 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit 7f2c1ae52bee57ce32ac0a74652610cc233d3442
+Subproject commit 8242b84753355433b61230ab6631c06e5ac77f35