diff --git a/proto b/proto
index 26389cfa0..c52c8ef99 160000
--- a/proto
+++ b/proto
@@ -1 +1 @@
-Subproject commit 26389cfa05f4980f318cc5c4ddbe3770a7865251
+Subproject commit c52c8ef99ead88a5edb73891b33247c54d37cb28