diff --git a/protocol b/protocol
index f56b4479..426fe88a 160000
--- a/protocol
+++ b/protocol
@@ -1 +1 @@
-Subproject commit f56b4479eafcbe7a2308e1ee39c7c9448050c845
+Subproject commit 426fe88a6e2d8099d658243ac55966c05e490f7f