diff --git a/Lib9c b/Lib9c
index 4bca541f4..9c378d993 160000
--- a/Lib9c
+++ b/Lib9c
@@ -1 +1 @@
-Subproject commit 4bca541f48e17ec5728c0f37071140677ddb385b
+Subproject commit 9c378d99369b8c52bc187b563e47a79bdb8cceaa