diff --git a/extmod/ulab b/extmod/ulab
index 346c936e14..57de23c1fb 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit 346c936e14c6ea3a8d3d65cb1fa46202dc92999d
+Subproject commit 57de23c1fb434ba99aaafe1d00bd77d5cdf5d66b