diff --git a/Lib9c b/Lib9c
index 4f991b69a..6bbeac6fe 160000
--- a/Lib9c
+++ b/Lib9c
@@ -1 +1 @@
-Subproject commit 4f991b69abc4d0b0f889f228115890ee7c4ea1f7
+Subproject commit 6bbeac6fe071727019d61732887be4cb91e4ce7a