diff --git a/Lib9c b/Lib9c
index 5bbb40c55..ce480947a 160000
--- a/Lib9c
+++ b/Lib9c
@@ -1 +1 @@
-Subproject commit 5bbb40c55acefd8821fcc376d0917e5fee172345
+Subproject commit ce480947a85ba3a51ac23ee12f6a21d690652320