diff --git a/Lib9c b/Lib9c
index e639502af..d88d422f1 160000
--- a/Lib9c
+++ b/Lib9c
@@ -1 +1 @@
-Subproject commit e639502afb22df4d230d52002b519b3f8ef16b4f
+Subproject commit d88d422f14922d58371aee1700ee86814388a36a