diff --git a/proto b/proto
index 3689ca4..a4e6869 160000
--- a/proto
+++ b/proto
@@ -1 +1 @@
-Subproject commit 3689ca4bde316dca2601c2a2f91fa71204f7fa43
+Subproject commit a4e6869fc563a9e07aaace5bf68bd060a23a5b51