diff --git a/Lib9c b/Lib9c
index aa9018cdc..fe86a78e2 160000
--- a/Lib9c
+++ b/Lib9c
@@ -1 +1 @@
-Subproject commit aa9018cdc659a51cc7781b2072345dac6a1eac23
+Subproject commit fe86a78e29d7d15486779b133bea21ba0ec63f30