diff --git a/package.json b/package.json
index f0101afc7559f..c71db76f93f6a 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "debug": "^4.1.0",
-    "devtools-protocol": "0.0.754670",
+    "devtools-protocol": "0.0.767361",
     "extract-zip": "^2.0.0",
     "https-proxy-agent": "^4.0.0",
     "mime": "^2.0.3",
diff --git a/src/revisions.ts b/src/revisions.ts
index 9b307e9dca682..00166b52a2193 100644
--- a/src/revisions.ts
+++ b/src/revisions.ts
@@ -20,6 +20,6 @@ type Revisions = Readonly<{
 }>;
 
 export const PUPPETEER_REVISIONS: Revisions = {
-  chromium: '756035',
+  chromium: '768783',
   firefox: 'latest',
 };
diff --git a/test/cookies.spec.ts b/test/cookies.spec.ts
index e2c41f2b94722..ea840fe76ca2d 100644
--- a/test/cookies.spec.ts
+++ b/test/cookies.spec.ts
@@ -406,7 +406,9 @@ describe('Cookie specs', () => {
       expect(await page.evaluate('document.cookie')).toBe(
         'localhost-cookie=best'
       );
-      expect(await page.frames()[1].evaluate('document.cookie')).toBe('');
+      expect(await page.frames()[1].evaluate('document.cookie')).toBe(
+        '127-cookie=worst'
+      );
 
       expect(await page.cookies()).toEqual([
         {
diff --git a/utils/check_availability.js b/utils/check_availability.js
index 1a5f2cab49d84..86e2f034ebcde 100755
--- a/utils/check_availability.js
+++ b/utils/check_availability.js
@@ -17,7 +17,8 @@
 
 const assert = require('assert');
 const https = require('https');
-const BrowserFetcher = require('../lib/BrowserFetcher').BrowserFetcher;
+// run `npm run dev-install` if lib dir is missing
+const BrowserFetcher = require('../lib/cjs/node/BrowserFetcher').BrowserFetcher;
 
 const SUPPORTER_PLATFORMS = ['linux', 'mac', 'win32', 'win64'];
 const fetchers = SUPPORTER_PLATFORMS.map(