diff --git a/extmod/ulab b/extmod/ulab
index 5d01882c41..308627c9aa 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit 5d01882c41dbc4115bc94f0b61c093d5a6b812b6
+Subproject commit 308627c9aa862698725b2ba22fa2e8b2300e6803