diff --git a/extmod/ulab b/extmod/ulab
index 3592e54c22..8b804f3bcd 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit 3592e54c223460d20a05537b5809abea524d21a9
+Subproject commit 8b804f3bcd8c5a3ac1b3e09e0ff7faf8270751de