diff --git a/src/protobuf b/src/protobuf
index d4a1eb8..c1f6c0f 160000
--- a/src/protobuf
+++ b/src/protobuf
@@ -1 +1 @@
-Subproject commit d4a1eb87c70d43d6efb59dad8af30d3d56c2cb10
+Subproject commit c1f6c0f64bc286fbdab5b7d74252db30868c2633