diff --git a/protocol b/protocol
index 4a0fc85c..c550292c 160000
--- a/protocol
+++ b/protocol
@@ -1 +1 @@
-Subproject commit 4a0fc85cb2e3db8b8770f7854ca4196027e83809
+Subproject commit c550292c390cecb53850ee391dfafdb2d137cabc