diff --git a/proto b/proto
index ce81bb93a..257c4ccde 160000
--- a/proto
+++ b/proto
@@ -1 +1 @@
-Subproject commit ce81bb93aebeb3e1b0d4a1ed48997342a98ef678
+Subproject commit 257c4ccdee48a7c3f55c671187161913cb39a58f