diff --git a/api/envoy/config/trace/v2/trace.proto b/api/envoy/config/trace/v2/trace.proto
index 3fe4d1fff66f1..34f11ec7e3e61 100644
--- a/api/envoy/config/trace/v2/trace.proto
+++ b/api/envoy/config/trace/v2/trace.proto
@@ -123,6 +123,12 @@ message OpenCensusConfig {
   // The Cloud project_id to use for Stackdriver tracing.
   string stackdriver_project_id = 4;
 
+  // (optional) By default, the Stackdriver exporter will connect to production
+  // Stackdriver. If stackdriver_address is non-empty, it will instead connect
+  // to this address, which is in the gRPC format:
+  // https://github.com/grpc/grpc/blob/master/doc/naming.md
+  string stackdriver_address = 10;
+
   // Enables the Zipkin exporter if set to true. The url and service name must
   // also be set.
   bool zipkin_exporter_enabled = 5;
diff --git a/bazel/repository_locations.bzl b/bazel/repository_locations.bzl
index c21af3bb42b2f..133e57d5731bd 100644
--- a/bazel/repository_locations.bzl
+++ b/bazel/repository_locations.bzl
@@ -233,10 +233,10 @@ REPOSITORY_LOCATIONS = dict(
         urls = ["https://files.pythonhosted.org/packages/b3/b2/238e2590826bfdd113244a40d9d3eb26918bd798fc187e2360a8367068db/six-1.10.0.tar.gz"],
     ),
     io_opencensus_cpp = dict(
-        sha256 = "9223b4d54af4151910dede03aa58247e90df72167fcc91d5f75e73a141568036",
-        strip_prefix = "opencensus-cpp-e292a374fb42c6cb2743f1689234bd409f4fda20",
-        # 2019-07-15
-        urls = ["https://github.com/census-instrumentation/opencensus-cpp/archive/e292a374fb42c6cb2743f1689234bd409f4fda20.tar.gz"],
+        sha256 = "8d6016e47c2e19e7acbadb6f905b8c422748c64299d71101ac8f28151677e195",
+        strip_prefix = "opencensus-cpp-cad0d03ff3474cf14389fc249e16847ab7b6895f",
+        # 2019-07-31
+        urls = ["https://github.com/census-instrumentation/opencensus-cpp/archive/cad0d03ff3474cf14389fc249e16847ab7b6895f.tar.gz"],
     ),
     com_github_curl = dict(
         sha256 = "821aeb78421375f70e55381c9ad2474bf279fc454b791b7e95fc83562951c690",
diff --git a/source/extensions/tracers/opencensus/BUILD b/source/extensions/tracers/opencensus/BUILD
index 90bc4f9fc7ed9..87b1854a2d2f9 100644
--- a/source/extensions/tracers/opencensus/BUILD
+++ b/source/extensions/tracers/opencensus/BUILD
@@ -25,6 +25,7 @@ envoy_cc_library(
     name = "opencensus_tracer_impl",
     srcs = ["opencensus_tracer_impl.cc"],
     hdrs = ["opencensus_tracer_impl.h"],
+    copts = ["-Wno-unused-parameter"],
     external_deps = [
         "opencensus_trace",
         "opencensus_trace_cloud_trace_context",
diff --git a/source/extensions/tracers/opencensus/opencensus_tracer_impl.cc b/source/extensions/tracers/opencensus/opencensus_tracer_impl.cc
index 154e5903fe83b..eb9a52d7dbd25 100644
--- a/source/extensions/tracers/opencensus/opencensus_tracer_impl.cc
+++ b/source/extensions/tracers/opencensus/opencensus_tracer_impl.cc
@@ -1,10 +1,13 @@
 #include "extensions/tracers/opencensus/opencensus_tracer_impl.h"
 
+#include <grpcpp/grpcpp.h>
+
 #include "envoy/http/header_map.h"
 
 #include "common/common/base64.h"
 
 #include "absl/strings/str_cat.h"
+#include "google/devtools/cloudtrace/v2/tracing.grpc.pb.h"
 #include "opencensus/exporters/trace/stackdriver/stackdriver_exporter.h"
 #include "opencensus/exporters/trace/stdout/stdout_exporter.h"
 #include "opencensus/exporters/trace/zipkin/zipkin_exporter.h"
@@ -197,7 +200,12 @@ Driver::Driver(const envoy::config::trace::v2::OpenCensusConfig& oc_config,
   if (oc_config.stackdriver_exporter_enabled()) {
     ::opencensus::exporters::trace::StackdriverOptions opts;
     opts.project_id = oc_config.stackdriver_project_id();
-    ::opencensus::exporters::trace::StackdriverExporter::Register(opts);
+    if (!oc_config.stackdriver_address().empty()) {
+      auto channel =
+          grpc::CreateChannel(oc_config.stackdriver_address(), grpc::InsecureChannelCredentials());
+      opts.trace_service_stub = ::google::devtools::cloudtrace::v2::TraceService::NewStub(channel);
+    }
+    ::opencensus::exporters::trace::StackdriverExporter::Register(std::move(opts));
   }
   if (oc_config.zipkin_exporter_enabled()) {
     ::opencensus::exporters::trace::ZipkinExporterOptions opts(oc_config.zipkin_url());