diff --git a/vendor/google.golang.org/grpc/rpc_util.go b/vendor/google.golang.org/grpc/rpc_util.go
index edaba79..d3a4adc 100644
--- a/vendor/google.golang.org/grpc/rpc_util.go
+++ b/vendor/google.golang.org/grpc/rpc_util.go
@@ -871,7 +871,7 @@
 
 // The SupportPackageIsVersion variables are referenced from generated protocol
 // buffer files to ensure compatibility with the gRPC version used.  The latest
-// support package version is 5.
+// support package version is 6.
 //
 // Older versions are kept for compatibility. They may be removed if
 // compatibility cannot be maintained.
@@ -881,6 +881,7 @@
 	SupportPackageIsVersion3 = true
 	SupportPackageIsVersion4 = true
 	SupportPackageIsVersion5 = true
+	SupportPackageIsVersion6 = true
 )
 
 const grpcUA = "grpc-go/" + Version