diff --git a/contrib/grpc b/contrib/grpc
index 740e3dfd973..77b2737a709 160000
--- a/contrib/grpc
+++ b/contrib/grpc
@@ -1 +1 @@
-Subproject commit 740e3dfd97301a52ad8165b65285bcc149d9e817
+Subproject commit 77b2737a709d43d8c6895e3f03ca62b00bd9201c