diff --git a/extmod/ulab b/extmod/ulab
index 0394801933..48cb939839 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit 0394801933f6e68a5bc7cdb0da76c7884e8cf70a
+Subproject commit 48cb939839fcf091fcdcdf742530b1b650066a15