diff --git a/run/markdown-preview/editor/app.js b/run/markdown-preview/editor/app.js
index 4edda65360..6d44ce5b77 100644
--- a/run/markdown-preview/editor/app.js
+++ b/run/markdown-preview/editor/app.js
@@ -12,24 +12,30 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-const express = require('express');
-const handlebars = require('handlebars');
-const {readFile} = require('fs').promises;
-const renderRequest = require('./render.js');
+import express from 'express';
+import handlebars from 'handlebars';
+import fs from 'fs';
+import renderRequest from './render.js';
 
 const app = express();
+
 app.use(express.json());
 
 let markdownDefault, compiledTemplate, renderedHtml;
 
 // Load the template files and serve them with the Editor service.
-const buildRenderedHtml = async () => {
+export const buildRenderedHtml = async () => {
+  const dirname = process.cwd();
+
   try {
-    markdownDefault = await readFile(__dirname + '/templates/markdown.md');
+    markdownDefault = await fs.promises.readFile(
+      dirname + '/templates/markdown.md'
+    );
     compiledTemplate = handlebars.compile(
-      await readFile(__dirname + '/templates/index.html', 'utf8')
+      await fs.promises.readFile(dirname + '/templates/index.html', 'utf8')
     );
     renderedHtml = compiledTemplate({default: markdownDefault});
+
     return renderedHtml;
   } catch (err) {
     throw Error('Error loading template: ', err);
@@ -64,7 +70,4 @@ app.post('/render', async (req, res) => {
 // [END cloudrun_secure_request_do]
 
 // Exports for testing purposes.
-module.exports = {
-  app,
-  buildRenderedHtml,
-};
+export default app;
diff --git a/run/markdown-preview/editor/index.js b/run/markdown-preview/editor/index.js
index 831ee1db01..51d2cea609 100644
--- a/run/markdown-preview/editor/index.js
+++ b/run/markdown-preview/editor/index.js
@@ -12,8 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-const {app} = require('./app');
-const pkg = require('./package.json');
+import app from './app.js';
+import fs from 'fs';
+
+const pkg = JSON.parse(fs.readFileSync('./package.json'));
+
 const PORT = parseInt(process.env.PORT) || 8080;
 
 app.listen(PORT, () => console.log(`${pkg.name} listening on port ${PORT}`));
diff --git a/run/markdown-preview/editor/package.json b/run/markdown-preview/editor/package.json
index 09a8682d5d..6adbef7285 100644
--- a/run/markdown-preview/editor/package.json
+++ b/run/markdown-preview/editor/package.json
@@ -9,6 +9,7 @@
     "type": "git",
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
+  "type": "module",
   "engines": {
     "node": ">=16.0.0"
   },
@@ -21,8 +22,8 @@
   "dependencies": {
     "express": "^4.17.1",
     "google-auth-library": "^9.0.0",
-    "got": "^11.8.0",
-    "handlebars": "^4.7.6"
+    "got": "^14.0.0",
+    "handlebars": "^4.7.8"
   },
   "devDependencies": {
     "c8": "^8.0.0",
diff --git a/run/markdown-preview/editor/render.js b/run/markdown-preview/editor/render.js
index 9a35f6c3b5..0240480e89 100644
--- a/run/markdown-preview/editor/render.js
+++ b/run/markdown-preview/editor/render.js
@@ -14,8 +14,10 @@
 
 // [START cloudrun_secure_request]
 // [START run_secure_request]
-const {GoogleAuth} = require('google-auth-library');
-const got = require('got');
+
+import {GoogleAuth} from 'google-auth-library';
+import got from 'got';
+
 const auth = new GoogleAuth();
 
 let client, serviceUrl;
@@ -34,7 +36,9 @@ const renderRequest = async markdown => {
       'Content-Type': 'text/plain',
     },
     body: markdown,
-    timeout: 3000,
+    timeout: {
+      request: 10000,
+    },
   };
 
   try {
@@ -61,4 +65,4 @@ const renderRequest = async markdown => {
 // [END run_secure_request]
 // [END cloudrun_secure_request]
 
-module.exports = renderRequest;
+export default renderRequest;
diff --git a/run/markdown-preview/editor/test/app.test.js b/run/markdown-preview/editor/test/app.test.js
index b9741edc9e..e8f14e4fe1 100644
--- a/run/markdown-preview/editor/test/app.test.js
+++ b/run/markdown-preview/editor/test/app.test.js
@@ -12,16 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-'use strict';
-
-const assert = require('assert');
-const path = require('path');
-const supertest = require('supertest');
+import assert from 'assert';
+import supertest from 'supertest';
+import {app, buildRenderedHtml} from '../app.js';
 
 describe('Editor unit tests', () => {
   describe('Initialize app', () => {
     it('should successfully load the index page', async () => {
-      const {app} = require(path.join(__dirname, '..', 'app'));
       const request = supertest(app);
       await request.get('/').retry(3).expect(200);
     });
@@ -31,7 +28,6 @@ describe('Editor unit tests', () => {
     let template;
 
     before(async () => {
-      const {buildRenderedHtml} = require(path.join(__dirname, '..', 'app'));
       template = await buildRenderedHtml();
     });
 
@@ -48,7 +44,6 @@ describe('Integration tests', () => {
 
     before(async () => {
       process.env.EDITOR_UPSTREAM_RENDER_URL = 'https://www.example.com/';
-      const {app} = require(path.join(__dirname, '..', 'app'));
       request = supertest(app);
     });
 
diff --git a/run/markdown-preview/editor/test/system.test.js b/run/markdown-preview/editor/test/system.test.js
index da5f55e622..4049de6452 100644
--- a/run/markdown-preview/editor/test/system.test.js
+++ b/run/markdown-preview/editor/test/system.test.js
@@ -12,10 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-const assert = require('assert');
-const got = require('got');
-const {execSync} = require('child_process');
-const {GoogleAuth} = require('google-auth-library');
+import assert from 'assert';
+import got from 'got';
+import {execSync} from 'child_process';
+import {GoogleAuth} from 'google-auth-library';
+
 const auth = new GoogleAuth();
 
 describe('End-to-End Tests', () => {
diff --git a/run/markdown-preview/renderer/app.js b/run/markdown-preview/renderer/app.js
index a984b37045..8a7b7de408 100644
--- a/run/markdown-preview/renderer/app.js
+++ b/run/markdown-preview/renderer/app.js
@@ -12,8 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-const express = require('express');
-const MarkdownIt = require('markdown-it');
+import express from 'express';
+import MarkdownIt from 'markdown-it';
 
 const app = express();
 app.use(express.text());
@@ -40,4 +40,4 @@ app.post('/', (req, res) => {
 });
 
 // Export for testing purposes.
-module.exports = app;
+export default app;
diff --git a/run/markdown-preview/renderer/index.js b/run/markdown-preview/renderer/index.js
index 43782b14ea..51d2cea609 100644
--- a/run/markdown-preview/renderer/index.js
+++ b/run/markdown-preview/renderer/index.js
@@ -12,8 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-const app = require('./app');
-const pkg = require('./package.json');
+import app from './app.js';
+import fs from 'fs';
+
+const pkg = JSON.parse(fs.readFileSync('./package.json'));
+
 const PORT = parseInt(process.env.PORT) || 8080;
 
 app.listen(PORT, () => console.log(`${pkg.name} listening on port ${PORT}`));
diff --git a/run/markdown-preview/renderer/package.json b/run/markdown-preview/renderer/package.json
index e8c67c56f9..ae9132aed8 100644
--- a/run/markdown-preview/renderer/package.json
+++ b/run/markdown-preview/renderer/package.json
@@ -8,6 +8,7 @@
     "type": "git",
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
+  "type": "module",
   "engines": {
     "node": ">=16.0.0"
   },
@@ -18,13 +19,13 @@
     "system-test": "c8 mocha -p -j 2 test/system.test.js --timeout=360000 --exit"
   },
   "dependencies": {
-    "express": "^4.17.1",
-    "markdown-it": "^13.0.0"
+    "express": "^4.18.2",
+    "markdown-it": "^14.0.0"
   },
   "devDependencies": {
     "c8": "^8.0.0",
     "google-auth-library": "^9.0.0",
-    "got": "^11.5.0",
+    "got": "^14.0.0",
     "mocha": "^10.0.0",
     "sinon": "^16.0.0",
     "supertest": "^6.0.0"
diff --git a/run/markdown-preview/renderer/test/app.test.js b/run/markdown-preview/renderer/test/app.test.js
index e8770795a5..b86ce9769d 100644
--- a/run/markdown-preview/renderer/test/app.test.js
+++ b/run/markdown-preview/renderer/test/app.test.js
@@ -12,18 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-'use strict';
-
-const assert = require('assert');
-const path = require('path');
-const sinon = require('sinon');
-const supertest = require('supertest');
+import assert from 'assert';
+import sinon from 'sinon';
+import supertest from 'supertest';
+import {app} from '../app.js';
 
 let request;
 
 describe('Unit Tests', () => {
   before(() => {
-    const app = require(path.join(__dirname, '..', 'app'));
     request = supertest(app);
   });
 
diff --git a/run/markdown-preview/renderer/test/system.test.js b/run/markdown-preview/renderer/test/system.test.js
index f1ac45557c..0a86e132aa 100644
--- a/run/markdown-preview/renderer/test/system.test.js
+++ b/run/markdown-preview/renderer/test/system.test.js
@@ -12,10 +12,11 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-const assert = require('assert');
-const got = require('got');
-const {execSync} = require('child_process');
-const {GoogleAuth} = require('google-auth-library');
+import assert from 'assert';
+import got from 'got';
+import {execSync} from 'child_process';
+import {GoogleAuth} from 'google-auth-library';
+
 const auth = new GoogleAuth();
 
 describe('End-to-End Tests', () => {