diff --git a/protocol b/protocol
index ed83ef29..3ef731d9 160000
--- a/protocol
+++ b/protocol
@@ -1 +1 @@
-Subproject commit ed83ef29b355c2f61d91802019e9e423a07edd22
+Subproject commit 3ef731d97d8f15cae20b9e375e09c571034e8ffc