diff --git a/extmod/ulab b/extmod/ulab
index 25a825e41c..e68bb707b2 160000
--- a/extmod/ulab
+++ b/extmod/ulab
@@ -1 +1 @@
-Subproject commit 25a825e41c26cfcee018b762416741d0d63aeabf
+Subproject commit e68bb707b20ee326d84ab75fc9fb35f2e85b87e3