diff --git a/protocol b/protocol
index f0e0e6b..81bc050 160000
--- a/protocol
+++ b/protocol
@@ -1 +1 @@
-Subproject commit f0e0e6bfbdaaa847320aef6fc94fd24e91c23872
+Subproject commit 81bc050da46d9dc64d02d86f211b7c9e81989110