diff --git a/lib/bc b/lib/bc
index 9c7aadb..747cdf7 160000
--- a/lib/bc
+++ b/lib/bc
@@ -1 +1 @@
-Subproject commit 9c7aadb37eddd5082091a809a56e6d29fa93d9f3
+Subproject commit 747cdf796ff4a030cc26d352cf87c55e4981014e