diff --git a/libraries/chainbase b/libraries/chainbase
index 1e0d680c78..91a7398e60 160000
--- a/libraries/chainbase
+++ b/libraries/chainbase
@@ -1 +1 @@
-Subproject commit 1e0d680c78bb1238e6cc5af477ac5ad0f6154712
+Subproject commit 91a7398e60522ab7cc6433c0c56aa8daf297deac