diff --git a/protocol b/protocol
index b707457a..4660d2bb 160000
--- a/protocol
+++ b/protocol
@@ -1 +1 @@
-Subproject commit b707457af0ef97f8272279e538ce21d499bd9e5c
+Subproject commit 4660d2bba8d84a99bcd6354b3101e4f91c94c5b2