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/.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 36f5016..e31e9b2 100644
--- a/package.json
+++ b/package.json
@@ -29,15 +29,15 @@
   "author": "Google Inc.",
   "license": "Apache-2.0",
   "devDependencies": {
-    "@compodoc/compodoc": "^1.1.7",
-    "@types/mocha": "^7.0.0",
-    "@types/node": "^10.5.2",
-    "codecov": "^3.0.4",
-    "gts": "^1.0.0",
-    "mocha": "^7.0.0",
-    "c8": "^7.0.0",
-    "typescript": "3.6.4",
-    "linkinator": "^2.0.0"
+    "@compodoc/compodoc": "^1.1.11",
+    "@types/mocha": "^7.0.2",
+    "@types/node": "^10.17.17",
+    "codecov": "^3.6.5",
+    "gts": "2.0.0-alpha.5",
+    "mocha": "^7.1.1",
+    "c8": "^7.1.0",
+    "typescript": "3.8.3",
+    "linkinator": "^2.0.4"
   },
   "engines": {
     "node": ">=10"
diff --git a/samples/package.json b/samples/package.json
index b89c56a..957e199 100644
--- a/samples/package.json
+++ b/samples/package.json
@@ -14,6 +14,6 @@
     "@google-cloud/projectify": "^1.0.4"
   },
   "devDependencies": {
-    "mocha": "^7.0.0"
+    "mocha": "^7.1.1"
   }
 }
diff --git a/samples/quickstart.js b/samples/quickstart.js
index f28c4fb..459b37b 100644
--- a/samples/quickstart.js
+++ b/samples/quickstart.js
@@ -15,7 +15,7 @@
 // [START projectify_quickstart]
 const {replaceProjectIdToken} = require('@google-cloud/projectify');
 const options = {
-  projectId: '{{projectId}}'
+  projectId: '{{projectId}}',
 };
 replaceProjectIdToken(options, 'fake-project-id');
 // [END projectify_quickstart]
diff --git a/src/index.ts b/src/index.ts
index d09ba58..38ea04e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -23,7 +23,7 @@ import {Stream} from 'stream';
  * @param {string} projectId - A projectId. If not provided
  * @return {*} - The original argument with all placeholders populated.
  */
-// tslint:disable-next-line:no-any
+/* eslint-disable  @typescript-eslint/no-explicit-any */
 export function replaceProjectIdToken(value: any, projectId: string): any {
   if (Array.isArray(value)) {
     value = (value as string[]).map(v => replaceProjectIdToken(v, projectId));
@@ -37,6 +37,7 @@ export function replaceProjectIdToken(value: any, projectId: string): any {
     typeof value.hasOwnProperty === 'function'
   ) {
     for (const opt in value) {
+      /* eslint-disable no-prototype-builtins */
       if (value.hasOwnProperty(opt)) {
         value[opt] = replaceProjectIdToken(value[opt], projectId);
       }
diff --git a/test/index.ts b/test/index.ts
index c525126..2254253 100644
--- a/test/index.ts
+++ b/test/index.ts
@@ -117,7 +117,7 @@ describe('projectId placeholder', () => {
   });
 
   it('should not inject projectId into stream', () => {
-    // tslint:disable-next-line: no-any
+    /* eslint-disable  @typescript-eslint/no-explicit-any */
     const transform = new stream.Transform() as any;
     transform.prop = 'A {{projectId}} Z';