diff --git a/libraries/chainbase b/libraries/chainbase
index e7f8c9dd76..9d1c47202f 160000
--- a/libraries/chainbase
+++ b/libraries/chainbase
@@ -1 +1 @@
-Subproject commit e7f8c9dd76fd45a15195ed06049536737a9e4ce0
+Subproject commit 9d1c47202f001d98948a517ffca36c71c3aa8d12