diff --git a/Lib9c b/Lib9c
index 06593af1d..2c2aa648f 160000
--- a/Lib9c
+++ b/Lib9c
@@ -1 +1 @@
-Subproject commit 06593af1dd4143e2ec4f2becf4e371fe030f1bae
+Subproject commit 2c2aa648fee3b39331dd71aa355089ae9b5ae370