diff --git a/libs/bft-smart b/libs/bft-smart
index 972c19f4..d4f6246a 160000
--- a/libs/bft-smart
+++ b/libs/bft-smart
@@ -1 +1 @@
-Subproject commit 972c19f4eab34c59361522abe2ea98ae043d042f
+Subproject commit d4f6246a533ec0fc50dcb3e9036dcb145dc2155a