diff --git a/packages/grpc-tools/deps/protobuf b/packages/grpc-tools/deps/protobuf
index 6aa539bf0..839b18b1b 160000
--- a/packages/grpc-tools/deps/protobuf
+++ b/packages/grpc-tools/deps/protobuf
@@ -1 +1 @@
-Subproject commit 6aa539bf0195f188ff86efe6fb8bfa2b676cdd46
+Subproject commit 839b18b1ba42639fedecfd751102afcc5736b5d4