diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 0000000..7821534
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,3 @@
+{
+  "extends": "./node_modules/gts"
+}
diff --git a/.eslintrc.yml b/.eslintrc.yml
deleted file mode 100644
index 73eeec2..0000000
--- a/.eslintrc.yml
+++ /dev/null
@@ -1,15 +0,0 @@
----
-extends:
-  - 'eslint:recommended'
-  - 'plugin:node/recommended'
-  - prettier
-plugins:
-  - node
-  - prettier
-rules:
-  prettier/prettier: error
-  block-scoped-var: error
-  eqeqeq: error
-  no-warning-comments: warn
-  no-var: error
-  prefer-const: error
diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index c5cbc55..e8f5ba6 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: [8, 10, 12, 13]
+        node: [10, 12, 13]
     steps:
       - uses: actions/checkout@v1
       - uses: actions/setup-node@v1
diff --git a/.prettierignore b/.prettierignore
index f6fac98..a4ac7b3 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -1,3 +1,5 @@
-node_modules/*
-samples/node_modules/*
-src/**/doc/*
+**/node_modules
+**/.coverage
+build/
+docs/
+protos/
diff --git a/.prettierrc b/.prettierrc
deleted file mode 100644
index df6eac0..0000000
--- a/.prettierrc
+++ /dev/null
@@ -1,8 +0,0 @@
----
-bracketSpacing: false
-printWidth: 80
-semi: true
-singleQuote: true
-tabWidth: 2
-trailingComma: es5
-useTabs: false
diff --git a/.prettierrc.js b/.prettierrc.js
new file mode 100644
index 0000000..08cba37
--- /dev/null
+++ b/.prettierrc.js
@@ -0,0 +1,17 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+module.exports = {
+  ...require('gts/.prettierrc.json')
+}
diff --git a/package.json b/package.json
index 564f5a1..ac04ceb 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,7 @@
   ],
   "scripts": {
     "compile": "tsc -p .",
-    "fix": "gts fix && eslint --fix '**/*.js'",
-    "clean": "gts clean",
+    "fix": "gts fix",
     "pretest": "npm run compile",
     "prepare": "npm run compile",
     "samples-test": "npm link && cd samples/ && npm link ../ && npm test && cd ../",
@@ -19,7 +18,7 @@
     "system-test": "mocha build/system-test --timeout 600000",
     "test": "c8 mocha --timeout=5000 build/test",
     "docs": "compodoc src/",
-    "lint": "gts check && eslint '**/*.js'",
+    "lint": "gts check",
     "docs-test": "linkinator docs",
     "predocs-test": "npm run docs",
     "prelint": "cd samples; npm link ../; npm i"
@@ -47,7 +46,6 @@
     "@types/node": "^12.7.2",
     "@types/tmp": "0.1.0",
     "@types/uuid": "^7.0.0",
-    "assert-rejects": "^1.0.0",
     "c8": "^7.0.0",
     "codecov": "^3.5.0",
     "eslint": "^6.1.0",
@@ -57,13 +55,14 @@
     "gcbuild": "^1.3.4",
     "gcx": "^1.0.0",
     "googleapis": "^48.0.0",
-    "gts": "^1.1.0",
+    "gts": "^2.0.0-alpha.4",
     "linkinator": "^2.0.0",
     "mocha": "^7.0.0",
     "ncp": "^2.0.0",
     "nock": "^12.0.0",
     "prettier": "^1.18.2",
-    "typescript": "3.6.4",
+    "tmp": "^0.1.0",
+    "typescript": "^3.8.3",
     "uuid": "^7.0.0"
   },
   "engines": {
diff --git a/src/index.ts b/src/index.ts
index 5127e39..0b10bc2 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -7,7 +7,7 @@
 
 import {GaxiosOptions, GaxiosResponse, request} from 'gaxios';
 import {OutgoingHttpHeaders} from 'http';
-const jsonBigint = require('json-bigint');
+const jsonBigint = require('json-bigint'); // eslint-disable-line
 
 export const HOST_ADDRESS = 'http://169.254.169.254';
 export const BASE_PATH = '/computeMetadata/v1';
diff --git a/system-test/fixtures/kitchen/src/index.ts b/system-test/fixtures/kitchen/src/index.ts
index 61a5317..2ec63a9 100644
--- a/system-test/fixtures/kitchen/src/index.ts
+++ b/system-test/fixtures/kitchen/src/index.ts
@@ -18,4 +18,4 @@ async function main() {
 
 gcp.project('something').then(console.log);
 
-main().catch(console.error);
\ No newline at end of file
+main().catch(console.error);
diff --git a/system-test/kitchen.test.ts b/system-test/kitchen.test.ts
index 2877724..d257467 100644
--- a/system-test/kitchen.test.ts
+++ b/system-test/kitchen.test.ts
@@ -10,12 +10,14 @@ import * as tmp from 'tmp';
 import {promisify} from 'util';
 import {execSync} from 'child_process';
 
+import {describe, it, after} from 'mocha';
+
 describe('installation', () => {
   const ncpp = promisify(ncp);
   const keep = !!process.env.GCPM_KEEP_TEMPDIRS;
   const stagingDir = tmp.dirSync({keep, unsafeCleanup: true});
   const stagingPath = stagingDir.name;
-  const pkg = require('../../package.json');
+  const pkg = require('../../package.json'); // eslint-disable-line
 
   /**
    * Create a staging directory with temp fixtures used to test on a fresh
diff --git a/system-test/system.ts b/system-test/system.ts
index be79d7c..a3ef6da 100644
--- a/system-test/system.ts
+++ b/system-test/system.ts
@@ -6,7 +6,7 @@
  */
 
 import * as assert from 'assert';
-import {describe, it} from 'mocha';
+import {before, after, describe, it} from 'mocha';
 import * as fs from 'fs';
 import * as gcbuild from 'gcbuild';
 import * as gcx from 'gcx';
@@ -18,7 +18,7 @@ import {execSync} from 'child_process';
 import {request, GaxiosError, Gaxios} from 'gaxios';
 
 const copy = promisify(fs.copyFile);
-const pkg = require('../../package.json');
+const pkg = require('../../package.json'); // eslint-disable-line
 
 let gcf: cloudfunctions_v1.Cloudfunctions;
 const shortPrefix = 'gcloud-tests';
diff --git a/test/index.test.ts b/test/index.test.ts
index b12e557..5fadf08 100644
--- a/test/index.test.ts
+++ b/test/index.test.ts
@@ -6,12 +6,10 @@
  */
 
 import * as assert from 'assert';
-import {describe, it} from 'mocha';
+import {beforeEach, afterEach, describe, it} from 'mocha';
 import * as nock from 'nock';
 import * as gcp from '../src';
 
-const assertRejects = require('assert-rejects');
-
 // the metadata IP entry:
 const HOST = gcp.HOST_ADDRESS;
 // the metadata DNS entry:
@@ -113,7 +111,7 @@ it('should return the request error', async () => {
     .get(`${PATH}/${TYPE}`)
     .times(4)
     .reply(500, undefined, HEADERS);
-  await assertRejects(gcp.instance(), /Unsuccessful response status code/);
+  await assert.rejects(gcp.instance(), /Unsuccessful response status code/);
   scope.done();
 });
 
@@ -121,7 +119,7 @@ it('should return error when res is empty', async () => {
   const scope = nock(HOST)
     .get(`${PATH}/${TYPE}`)
     .reply(200, undefined, HEADERS);
-  await assertRejects(gcp.instance());
+  await assert.rejects(gcp.instance());
   scope.done();
 });
 
@@ -129,7 +127,7 @@ it('should return error when flavor header is incorrect', async () => {
   const scope = nock(HOST)
     .get(`${PATH}/${TYPE}`)
     .reply(200, {}, {[gcp.HEADER_NAME.toLowerCase()]: 'Hazelnut'});
-  await assertRejects(
+  await assert.rejects(
     gcp.instance(),
     /Invalid response from metadata service: incorrect Metadata-Flavor header./
   );
@@ -140,7 +138,7 @@ it('should return error if statusCode is not 200', async () => {
   const scope = nock(HOST)
     .get(`${PATH}/${TYPE}`)
     .reply(418, {}, HEADERS);
-  await assertRejects(gcp.instance(), /Unsuccessful response status code/);
+  await assert.rejects(gcp.instance(), /Unsuccessful response status code/);
   scope.done();
 });
 
@@ -156,18 +154,18 @@ it('should retry if the initial request fails', async () => {
 });
 
 it('should throw if request options are passed', async () => {
-  await assertRejects(
+  await assert.rejects(
     // tslint:disable-next-line no-any
     gcp.instance({qs: {one: 'two'}} as any),
-    /\'qs\' is not a valid configuration option. Please use \'params\' instead\./
+    /'qs' is not a valid configuration option. Please use 'params' instead\./
   );
 });
 
 it('should throw if invalid options are passed', async () => {
-  await assertRejects(
+  await assert.rejects(
     // tslint:disable-next-line no-any
     gcp.instance({fake: 'news'} as any),
-    /\'fake\' is not a valid/
+    /'fake' is not a valid/
   );
 });
 
@@ -321,7 +319,7 @@ it('should throw on unexpected errors', async () => {
   const secondary = nock(SECONDARY_HOST)
     .get(`${PATH}/${TYPE}`)
     .replyWithError({code: '🤡'});
-  await assertRejects(gcp.isAvailable());
+  assert.rejects(gcp.isAvailable());
   primary.done();
   secondary.done();
 });
diff --git a/tsconfig.json b/tsconfig.json
index 886fb73..21ae357 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,6 +1,7 @@
 {
   "extends": "./node_modules/gts/tsconfig-google.json",
   "compilerOptions": {
+    "lib": ["es2015", "dom"],
     "rootDir": ".",
     "outDir": "build"
   },