diff --git a/Lib9c b/Lib9c
index e5c5c3d51..d279514cc 160000
--- a/Lib9c
+++ b/Lib9c
@@ -1 +1 @@
-Subproject commit e5c5c3d517f651cf13a394e71e7e42b7cf7e7bb0
+Subproject commit d279514cc2d97ea5ae2e58941ef7532802c3beb9