diff --git a/protocol b/protocol
index a26727c..a52afa0 160000
--- a/protocol
+++ b/protocol
@@ -1 +1 @@
-Subproject commit a26727cf7c33a3e1efc6d4e26ad50ab992886421
+Subproject commit a52afa049a0d7a31df51378e2ca6cfb1b1586532