diff --git a/Lib9c b/Lib9c
index 9bc336ac4..6c05b1f2d 160000
--- a/Lib9c
+++ b/Lib9c
@@ -1 +1 @@
-Subproject commit 9bc336ac494daf2d377d12666d6a14a65e70d229
+Subproject commit 6c05b1f2d06740de90e7ee2d8d4a2531177728c4