diff --git a/package.json b/package.json
index 8a38ecab5..f6b9fece7 100644
--- a/package.json
+++ b/package.json
@@ -48,6 +48,7 @@
   "dependencies": {
     "@google-cloud/projectify": "^1.0.0",
     "@google-cloud/promisify": "^1.0.0",
+    "@grpc/grpc-js": "^0.4.0",
     "@types/duplexify": "^3.6.0",
     "@types/long": "^4.0.0",
     "arrify": "^2.0.0",
diff --git a/src/index.ts b/src/index.ts
index 8b618a08e..a15083338 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -27,7 +27,7 @@
 import arrify = require('arrify');
 import {GoogleAuth, GoogleAuthOptions} from 'google-auth-library';
 import {GrpcClient} from 'google-gax';
-import {ChannelCredentials} from 'grpc';
+import {ChannelCredentials} from '@grpc/grpc-js';
 import * as is from 'is';
 
 import {entity} from './entity';
diff --git a/test/index.ts b/test/index.ts
index afab2a323..1c96a061d 100644
--- a/test/index.ts
+++ b/test/index.ts
@@ -77,7 +77,7 @@ const fakeGoogleGax = {
     constructor(opts: gax.GrpcClientOptions) {
       // super constructor must be called first!
       super(opts);
-      this.grpc = {
+      this.grpc = ({
         credentials: {
           createInsecure() {
             return (createInsecureOverride || (() => {})).apply(
@@ -86,7 +86,7 @@ const fakeGoogleGax = {
             );
           },
         },
-      } as gax.GrpcModule;
+      } as {}) as gax.GrpcModule;
     }
   },
 };
diff --git a/test/request.ts b/test/request.ts
index ee69e5c88..246c40921 100644
--- a/test/request.ts
+++ b/test/request.ts
@@ -18,7 +18,7 @@ import * as pjy from '@google-cloud/projectify';
 import * as pfy from '@google-cloud/promisify';
 import * as assert from 'assert';
 import * as extend from 'extend';
-import {CallOptions} from 'grpc';
+import {CallOptions} from '@grpc/grpc-js';
 import * as is from 'is';
 import * as proxyquire from 'proxyquire';
 import * as sinon from 'sinon';
@@ -1649,7 +1649,8 @@ describe('Request', () => {
     it('should send gaxOpts', done => {
       request.datastore.clients_ = new Map();
       request.datastore.clients_.set(CONFIG.client, {
-        [CONFIG.method](_: object, gaxO: CallOptions) {
+        // tslint:disable-next-line no-any
+        [CONFIG.method](_: object, gaxO: any) {
           delete gaxO.headers;
           assert.deepStrictEqual(gaxO, CONFIG.gaxOpts);
           done();
@@ -1662,7 +1663,8 @@ describe('Request', () => {
     it('should send google-cloud-resource-prefix', done => {
       request.datastore.clients_ = new Map();
       request.datastore.clients_.set(CONFIG.client, {
-        [CONFIG.method](_: object, gaxO: CallOptions) {
+        // tslint:disable-next-line no-any
+        [CONFIG.method](_: object, gaxO: any) {
           assert.deepStrictEqual(gaxO.headers, {
             'google-cloud-resource-prefix': 'projects/' + PROJECT_ID,
           });