diff --git a/packages/grpc-native-core/binding.gyp b/packages/grpc-native-core/binding.gyp
index dc96bbaf7..85602dc09 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"'
+      'GRPC_NODE_VERSION="1.18.0"'
     ],
     'conditions': [
       ['grpc_gcov=="true"', {
@@ -779,6 +779,7 @@
         'deps/grpc/src/core/ext/transport/chttp2/transport/bin_encoder.cc',
         'deps/grpc/src/core/ext/transport/chttp2/transport/chttp2_plugin.cc',
         'deps/grpc/src/core/ext/transport/chttp2/transport/chttp2_transport.cc',
+        'deps/grpc/src/core/ext/transport/chttp2/transport/context_list.cc',
         'deps/grpc/src/core/ext/transport/chttp2/transport/flow_control.cc',
         'deps/grpc/src/core/ext/transport/chttp2/transport/frame_data.cc',
         'deps/grpc/src/core/ext/transport/chttp2/transport/frame_goaway.cc',
@@ -885,15 +886,16 @@
         'deps/grpc/src/core/ext/filters/client_channel/http_connect_handshaker.cc',
         'deps/grpc/src/core/ext/filters/client_channel/http_proxy.cc',
         '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/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/request_routing.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/server_address.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/deadline/deadline_filter.cc',
diff --git a/packages/grpc-native-core/build.yaml b/packages/grpc-native-core/build.yaml
index 45d905d30..49e36fdfe 100644
--- a/packages/grpc-native-core/build.yaml
+++ b/packages/grpc-native-core/build.yaml
@@ -1,3 +1,2 @@
 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 8d4f9c465..007b721f8 160000
--- a/packages/grpc-native-core/deps/grpc
+++ b/packages/grpc-native-core/deps/grpc
@@ -1 +1 @@
-Subproject commit 8d4f9c4654ab4b0c670527599871530e2258e76d
+Subproject commit 007b721f8045ceef4ebf418a2935ab772fbe3708
diff --git a/packages/grpc-native-core/index.d.ts b/packages/grpc-native-core/index.d.ts
index a72a2dbb8..808051d06 100644
--- a/packages/grpc-native-core/index.d.ts
+++ b/packages/grpc-native-core/index.d.ts
@@ -259,11 +259,20 @@ declare module "grpc" {
     readonly [I in keyof ImplementationType]: MethodDefinition<any, any>;
   }
 
+  /**
+   * An object that defines a protobuf type
+   */
+  export interface ProtobufTypeDefinition {
+    format: string;
+    type: object;
+    fileDescriptorProtos: Buffer[];
+  }
+
   /**
    * An object that defines a package containing multiple services
    */
   export type PackageDefinition = {
-    readonly [fullyQualifiedName: string]: ServiceDefinition<any>;
+    readonly [fullyQualifiedName: string]: ServiceDefinition<any> | ProtobufTypeDefinition;
   }
 
   /**
@@ -567,6 +576,10 @@ declare module "grpc" {
      * Trailing metadata sent with the status, if applicable
      */
     metadata?: Metadata;
+    /**
+     * Original status details string
+     */
+    details?: string;
   }
 
   /**
diff --git a/packages/grpc-native-core/index.js b/packages/grpc-native-core/index.js
index 917479167..9134667a8 100644
--- a/packages/grpc-native-core/index.js
+++ b/packages/grpc-native-core/index.js
@@ -169,7 +169,11 @@ exports.loadPackageDefinition = function loadPackageDefintion(packageDef) {
       }
       current = current[packageName];
     }
-    current[serviceName] = client.makeClientConstructor(service, serviceName, {});
+    if (service.hasOwnProperty('format')) {
+      current[serviceName] = service;
+    } else {
+      current[serviceName] = client.makeClientConstructor(service, serviceName, {});
+    }
   }
   return result;
 };
diff --git a/packages/grpc-native-core/package.json b/packages/grpc-native-core/package.json
index 994359ec8..6d62a9e01 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",
+  "version": "1.18.0",
   "author": "Google Inc.",
   "description": "gRPC Library for Node",
   "homepage": "https://grpc.io/",
diff --git a/packages/grpc-native-core/src/common.js b/packages/grpc-native-core/src/common.js
index 198c9470d..2d948335f 100644
--- a/packages/grpc-native-core/src/common.js
+++ b/packages/grpc-native-core/src/common.js
@@ -317,9 +317,18 @@ exports.zipObject = function(props, values) {
  * @typedef {Object.<string, grpc~MethodDefinition>} grpc~ServiceDefinition
  */
 
+ /**
+  * An object that defines a protobuf type
+  * @typedef {object} grpc~ProtobufTypeDefinition
+  * @param {string} format The format of the type definition object
+  * @param {*} type The type definition object
+  * @param {Buffer[]} fileDescriptorProtos Binary protobuf file
+  *     descriptors for all files loaded to construct this type
+  */
+
 /**
  * An object that defines a package hierarchy with multiple services
- * @typedef {Object.<string, grpc~ServiceDefinition>} grpc~PackageDefinition
+ * @typedef {Object.<string, grpc~ServiceDefinition|grpc~ProtobufTypeDefinition>} grpc~PackageDefinition
  */
 
 /**