diff --git a/packages/grpc-native-core/binding.gyp b/packages/grpc-native-core/binding.gyp
index 1556881c..dc96bbaf 100644
--- a/packages/grpc-native-core/binding.gyp
+++ b/packages/grpc-native-core/binding.gyp
@@ -91,7 +91,7 @@
       'GPR_BACKWARDS_COMPATIBILITY_MODE',
       'GRPC_ARES=0',
       'GRPC_UV',
-      'GRPC_NODE_VERSION="1.17.0-dev"'
+      'GRPC_NODE_VERSION="1.17.0"'
     ],
     'conditions': [
       ['grpc_gcov=="true"', {
@@ -772,6 +772,7 @@
         'deps/grpc/src/core/lib/transport/timeout_encoding.cc',
         'deps/grpc/src/core/lib/transport/transport.cc',
         'deps/grpc/src/core/lib/transport/transport_op_string.cc',
+        'deps/grpc/src/core/lib/uri/uri_parser.cc',
         'deps/grpc/src/core/lib/debug/trace.cc',
         'deps/grpc/src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.cc',
         'deps/grpc/src/core/ext/transport/chttp2/transport/bin_decoder.cc',
@@ -844,7 +845,7 @@
         'deps/grpc/src/core/tsi/alts/frame_protector/alts_unseal_privacy_integrity_crypter.cc',
         'deps/grpc/src/core/tsi/alts/frame_protector/frame_handler.cc',
         'deps/grpc/src/core/tsi/alts/handshaker/alts_handshaker_client.cc',
-        'deps/grpc/src/core/tsi/alts/handshaker/alts_tsi_event.cc',
+        'deps/grpc/src/core/tsi/alts/handshaker/alts_shared_resource.cc',
         'deps/grpc/src/core/tsi/alts/handshaker/alts_tsi_handshaker.cc',
         'deps/grpc/src/core/tsi/alts/zero_copy_frame_protector/alts_grpc_integrity_only_record_protocol.cc',
         'deps/grpc/src/core/tsi/alts/zero_copy_frame_protector/alts_grpc_privacy_integrity_record_protocol.cc',
@@ -886,19 +887,17 @@
         'deps/grpc/src/core/ext/filters/client_channel/lb_policy.cc',
         'deps/grpc/src/core/ext/filters/client_channel/lb_policy_factory.cc',
         'deps/grpc/src/core/ext/filters/client_channel/lb_policy_registry.cc',
-        'deps/grpc/src/core/ext/filters/client_channel/method_params.cc',
         'deps/grpc/src/core/ext/filters/client_channel/parse_address.cc',
         'deps/grpc/src/core/ext/filters/client_channel/proxy_mapper.cc',
         'deps/grpc/src/core/ext/filters/client_channel/proxy_mapper_registry.cc',
         'deps/grpc/src/core/ext/filters/client_channel/resolver.cc',
         'deps/grpc/src/core/ext/filters/client_channel/resolver_registry.cc',
+        'deps/grpc/src/core/ext/filters/client_channel/resolver_result_parsing.cc',
         'deps/grpc/src/core/ext/filters/client_channel/retry_throttle.cc',
         'deps/grpc/src/core/ext/filters/client_channel/subchannel.cc',
         'deps/grpc/src/core/ext/filters/client_channel/subchannel_index.cc',
-        'deps/grpc/src/core/ext/filters/client_channel/uri_parser.cc',
         'deps/grpc/src/core/ext/filters/deadline/deadline_filter.cc',
         'deps/grpc/src/core/ext/filters/client_channel/health/health.pb.c',
-        'deps/grpc/src/core/tsi/alts_transport_security.cc',
         'deps/grpc/src/core/tsi/fake_transport_security.cc',
         'deps/grpc/src/core/tsi/local_transport_security.cc',
         'deps/grpc/src/core/tsi/ssl/session_cache/ssl_session_boringssl.cc',
diff --git a/packages/grpc-native-core/build.yaml b/packages/grpc-native-core/build.yaml
index 49e36fdf..45d905d3 100644
--- a/packages/grpc-native-core/build.yaml
+++ b/packages/grpc-native-core/build.yaml
@@ -1,2 +1,3 @@
 settings:
   '#': It's possible to have node_version here as a key to override the core's version.
+  node_version: 1.17.0
diff --git a/packages/grpc-native-core/deps/grpc b/packages/grpc-native-core/deps/grpc
index 4139ff89..8d4f9c46 160000
--- a/packages/grpc-native-core/deps/grpc
+++ b/packages/grpc-native-core/deps/grpc
@@ -1 +1 @@
-Subproject commit 4139ff895fd413c730c4383d24d13a17bbeaea90
+Subproject commit 8d4f9c4654ab4b0c670527599871530e2258e76d
diff --git a/packages/grpc-native-core/package.json b/packages/grpc-native-core/package.json
index 8caf09db..994359ec 100644
--- a/packages/grpc-native-core/package.json
+++ b/packages/grpc-native-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "grpc",
-  "version": "1.17.0-dev",
+  "version": "1.17.0",
   "author": "Google Inc.",
   "description": "gRPC Library for Node",
   "homepage": "https://grpc.io/",
diff --git a/packages/grpc-native-core/src/protobuf_js_6_common.js b/packages/grpc-native-core/src/protobuf_js_6_common.js
index af3d4c04..66cebd61 100644
--- a/packages/grpc-native-core/src/protobuf_js_6_common.js
+++ b/packages/grpc-native-core/src/protobuf_js_6_common.js
@@ -104,9 +104,9 @@ exports.getProtobufServiceAttrs = function getProtobufServiceAttrs(service,
                                                                    options) {
   var prefix = '/' + fullyQualifiedName(service) + '/';
   service.resolveAll();
-  return common.zipObject(service.methods.map(function(method) {
+  return common.zipObject(service.methodsArray.map(function(method) {
     return camelCase(method.name);
-  }), service.methods.map(function(method) {
+  }), service.methodsArray.map(function(method) {
     return {
       originalName: method.name,
       path: prefix + method.name,
@@ -137,10 +137,12 @@ exports.loadObject = function loadObject(value, options) {
 
   if (value.hasOwnProperty('nested')) {
     // It's a namespace or root object
-    Object.keys(value.nested).forEach(name => {
-      const nested = value.nested[name];
-      result[name] = loadObject(nested, options);
-    });
+    if (value.nested !== null && value.nested !== undefined) {
+      var values = Object.keys(value.nested).map(key => value.nested[key]);
+      values.forEach(nested => {
+        result[nested.name] = loadObject(nested, options);
+      });
+    }
     return result;
   }