diff --git a/lib/bc b/lib/bc
index 3cfddf0..493bf0e 160000
--- a/lib/bc
+++ b/lib/bc
@@ -1 +1 @@
-Subproject commit 3cfddf01493cbf61af05aa378481ec9325ce135e
+Subproject commit 493bf0e389397d8ea238fbbc613b76cc8b56cc05