diff --git a/protocol b/protocol
index 1bfe750b..50f6df34 160000
--- a/protocol
+++ b/protocol
@@ -1 +1 @@
-Subproject commit 1bfe750b8e1c145a9abfe32a90f7ddbdaca7d415
+Subproject commit 50f6df345435c6de78dd397449c2843fe4883e91