diff --git a/.eslintignore b/.eslintignore
new file mode 100644
index 00000000..4f6ed763
--- /dev/null
+++ b/.eslintignore
@@ -0,0 +1,2 @@
+**/node_modules
+proto/
diff --git a/.eslintrc.json b/.eslintrc.json
new file mode 100644
index 00000000..78215349
--- /dev/null
+++ b/.eslintrc.json
@@ -0,0 +1,3 @@
+{
+  "extends": "./node_modules/gts"
+}
diff --git a/package.json b/package.json
index 5b0c1722..651c894d 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "@types/tmp": "0.2.0",
     "codecov": "^3.0.0",
     "deep-copy": "^1.4.2",
-    "gts": "^1.0.0",
+    "gts": "^2.0.0",
     "js-green-licenses": "^2.0.0",
     "linkinator": "^2.0.0",
     "mocha": "^8.0.0",
diff --git a/system-test/busybench-js/src/busybench.js b/system-test/busybench-js/src/busybench.js
index d7a49ffc..99318ba6 100644
--- a/system-test/busybench-js/src/busybench.js
+++ b/system-test/busybench-js/src/busybench.js
@@ -46,8 +46,11 @@ function benchmark(durationSeconds) {
   busyLoop(durationSeconds);
 }
 
-async function collectAndSaveTimeProfile(durationSeconds, sourceMapper,
-    lineNumbers) {
+async function collectAndSaveTimeProfile(
+  durationSeconds,
+  sourceMapper,
+  lineNumbers
+) {
   const profile = await pprof.time.profile({
     durationMillis: 1000 * durationSeconds,
     lineNumbers: lineNumbers,
@@ -64,13 +67,19 @@ async function collectAndSaveHeapProfile(sourceMapper) {
 }
 
 async function collectAndSaveProfiles(collectLineNumberTimeProfile) {
-  const sourceMapper =  await pprof.SourceMapper.create([process.cwd()]);
+  const sourceMapper = await pprof.SourceMapper.create([process.cwd()]);
   collectAndSaveHeapProfile(sourceMapper);
-  collectAndSaveTimeProfile(durationSeconds/2, sourceMapper, collectLineNumberTimeProfile);
+  collectAndSaveTimeProfile(
+    durationSeconds / 2,
+    sourceMapper,
+    collectLineNumberTimeProfile
+  );
 }
 
 const durationSeconds = Number(process.argv.length > 2 ? process.argv[2] : 30);
-const collectLineNumberTimeProfile = Boolean(process.argv.length > 3 ? process.argv[3] : false);
+const collectLineNumberTimeProfile = Boolean(
+  process.argv.length > 3 ? process.argv[3] : false
+);
 
 pprof.heap.start(512 * 1024, 64);
 benchmark(durationSeconds);
diff --git a/system-test/busybench/src/busybench.ts b/system-test/busybench/src/busybench.ts
index 73bd318b..ac8e3b34 100644
--- a/system-test/busybench/src/busybench.ts
+++ b/system-test/busybench/src/busybench.ts
@@ -14,9 +14,9 @@
  * limitations under the License.
  */
 
-import {writeFile} from 'fs';
+import { writeFile } from 'fs';
 import * as pify from 'pify';
-import {encode, heap, SourceMapper, time} from 'pprof';
+import { encode, heap, SourceMapper, time } from 'pprof';
 
 const writeFilePromise = pify(writeFile);
 
@@ -47,15 +47,20 @@ function benchmark(durationSeconds: number) {
 }
 
 async function collectAndSaveTimeProfile(
-    durationSeconds: number, sourceMapper: SourceMapper): Promise<void> {
-  const profile = await time.profile(
-      {durationMillis: 1000 * durationSeconds, sourceMapper});
+  durationSeconds: number,
+  sourceMapper: SourceMapper
+): Promise<void> {
+  const profile = await time.profile({
+    durationMillis: 1000 * durationSeconds,
+    sourceMapper,
+  });
   const buf = await encode(profile);
   await writeFilePromise('time.pb.gz', buf);
 }
 
-async function collectAndSaveHeapProfile(sourceMapper: SourceMapper):
-    Promise<void> {
+async function collectAndSaveHeapProfile(
+  sourceMapper: SourceMapper
+): Promise<void> {
   const profile = await heap.profile(undefined, sourceMapper);
   const buf = await encode(profile);
   await writeFilePromise('heap.pb.gz', buf);
diff --git a/ts/src/sourcemapper/sourcemapper.ts b/ts/src/sourcemapper/sourcemapper.ts
index bb9759a5..c53774fb 100644
--- a/ts/src/sourcemapper/sourcemapper.ts
+++ b/ts/src/sourcemapper/sourcemapper.ts
@@ -120,7 +120,7 @@ export class SourceMapper {
     for (const dir of searchDirs) {
       try {
         const mf = await getMapFiles(dir);
-        mf.forEach(mapFile => {
+        mf.forEach((mapFile) => {
           mapFiles.push(path.resolve(dir, mapFile));
         });
       } catch (e) {
@@ -224,7 +224,7 @@ export class SourceMapper {
 async function createFromMapFiles(mapFiles: string[]): Promise<SourceMapper> {
   const limit = pLimit(CONCURRENCY);
   const mapper = new SourceMapper();
-  const promises: Array<Promise<void>> = mapFiles.map(mapPath =>
+  const promises: Array<Promise<void>> = mapFiles.map((mapPath) =>
     limit(() => processSourceMap(mapper.infoMap, mapPath))
   );
   try {
diff --git a/ts/test/test-time-profiler.ts b/ts/test/test-time-profiler.ts
index c00ef8b9..0627fe29 100644
--- a/ts/test/test-time-profiler.ts
+++ b/ts/test/test-time-profiler.ts
@@ -44,7 +44,7 @@ describe('Time Profiler', () => {
 
   describe('profile (w/ stubs)', () => {
     // tslint:disable-next-line: no-any
-    const sinonStubs: Array<sinon.SinonStub<any, any>> = new Array();
+    const sinonStubs: Array<sinon.SinonStub<any, any>> = [];
     before(() => {
       sinonStubs.push(sinon.stub(v8TimeProfiler, 'startProfiling'));
       sinonStubs.push(
@@ -55,7 +55,7 @@ describe('Time Profiler', () => {
     });
 
     after(() => {
-      sinonStubs.forEach(stub => {
+      sinonStubs.forEach((stub) => {
         stub.restore();
       });
     });
diff --git a/ts/third_party/cloud-debug-nodejs/src/agent/io/scanner.ts b/ts/third_party/cloud-debug-nodejs/src/agent/io/scanner.ts
index 8b8ca64b..c1fc8da2 100644
--- a/ts/third_party/cloud-debug-nodejs/src/agent/io/scanner.ts
+++ b/ts/third_party/cloud-debug-nodejs/src/agent/io/scanner.ts
@@ -90,10 +90,10 @@ class ScanResultsImpl implements ScanResults {
     // ensure the base directory has only a single trailing path separator
     baseDir = path.normalize(baseDir + path.sep);
     return Object.keys(this.stats)
-      .filter(file => {
+      .filter((file) => {
         return file && regex.test(file);
       })
-      .map(file => {
+      .map((file) => {
         return path.normalize(file).replace(baseDir, '');
       });
   }
@@ -152,10 +152,7 @@ function computeStats(
       // Sort the hashes to get a deterministic order as the files may
       // not be in the same order each time we scan the disk.
       const buffer = hashes.sort().join();
-      const sha1 = crypto
-        .createHash('sha1')
-        .update(buffer)
-        .digest('hex');
+      const sha1 = crypto.createHash('sha1').update(buffer).digest('hex');
       hash = 'SHA1-' + sha1;
     }
     resolve(new ScanResultsImpl(statistics, errors, hash));
@@ -224,7 +221,7 @@ function statsForFile(
 ): Promise<FileStats> {
   return new Promise<FileStats>((resolve, reject) => {
     const reader = fs.createReadStream(filename);
-    reader.on('error', err => {
+    reader.on('error', (err) => {
       reject(err);
     });
     reader.on('open', () => {