diff --git a/third_party/grpc b/third_party/grpc
index 2a69139..6040b47 160000
--- a/third_party/grpc
+++ b/third_party/grpc
@@ -1 +1 @@
-Subproject commit 2a69139aa7f609e439c24a46754252a5f9d37500
+Subproject commit 6040b471bcd1d6bb05b25c126b6545180a1d3528