diff --git a/protocol b/protocol
index 50f6df34..9530909e 160000
--- a/protocol
+++ b/protocol
@@ -1 +1 @@
-Subproject commit 50f6df345435c6de78dd397449c2843fe4883e91
+Subproject commit 9530909e41b903b0dbf23f7b66c1413ad997b855