diff --git a/external/grpc-gateway b/external/grpc-gateway
index dfb2f1e9..8c9e6186 160000
--- a/external/grpc-gateway
+++ b/external/grpc-gateway
@@ -1 +1 @@
-Subproject commit dfb2f1e9235a94a7caadbe326604b26e55f2383a
+Subproject commit 8c9e6186f5f4036fd603fc294944d69659006a0d