diff --git a/contrib/protobuf b/contrib/protobuf
index c1c5d020260..6bb70196c53 160000
--- a/contrib/protobuf
+++ b/contrib/protobuf
@@ -1 +1 @@
-Subproject commit c1c5d02026059f4c3cb51aaa08e82288d3e08b89
+Subproject commit 6bb70196c5360268d9f021bb7936fb0b551724c2