diff --git a/extmod/ulab b/extmod/ulab
index b913d064e5..c03990cc56 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit b913d064e525f674d0219524988e6d9d834fe09c
+Subproject commit c03990cc56283417e752246c2738199f65d1b7ef