diff --git a/README.md b/README.md
index f83b8c231b..182987279a 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # 🎭 Playwright
 
-[![npm version](https://img.shields.io/npm/v/playwright.svg?style=flat)](https://www.npmjs.com/package/playwright) [![Join Slack](https://img.shields.io/badge/join-slack-infomational)](https://aka.ms/playwright-slack) <!-- GEN:chromium-version-badge -->[![Chromium version](https://img.shields.io/badge/chromium-90.0.4430.0-blue.svg?logo=google-chrome)](https://www.chromium.org/Home)<!-- GEN:stop --> <!-- GEN:firefox-version-badge -->[![Firefox version](https://img.shields.io/badge/firefox-86.0b10-blue.svg?logo=mozilla-firefox)](https://www.mozilla.org/en-US/firefox/new/)<!-- GEN:stop --> <!-- GEN:webkit-version-badge -->[![WebKit version](https://img.shields.io/badge/webkit-14.2-blue.svg?logo=safari)](https://webkit.org/)<!-- GEN:stop -->
+[![npm version](https://img.shields.io/npm/v/playwright.svg?style=flat)](https://www.npmjs.com/package/playwright) [![Join Slack](https://img.shields.io/badge/join-slack-infomational)](https://aka.ms/playwright-slack) <!-- GEN:chromium-version-badge -->[![Chromium version](https://img.shields.io/badge/chromium-90.0.4430.0-blue.svg?logo=google-chrome)](https://www.chromium.org/Home)<!-- GEN:stop --> <!-- GEN:firefox-version-badge -->[![Firefox version](https://img.shields.io/badge/firefox-87.0b5-blue.svg?logo=mozilla-firefox)](https://www.mozilla.org/en-US/firefox/new/)<!-- GEN:stop --> <!-- GEN:webkit-version-badge -->[![WebKit version](https://img.shields.io/badge/webkit-14.2-blue.svg?logo=safari)](https://webkit.org/)<!-- GEN:stop -->
 
 ## [Documentation](https://playwright.dev) | [API reference](https://playwright.dev/docs/api/class-playwright/)
 
@@ -10,7 +10,7 @@ Playwright is a Node.js library to automate [Chromium](https://www.chromium.org/
 |   :---   | :---: | :---: | :---:   |
 | Chromium <!-- GEN:chromium-version -->90.0.4430.0<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 | WebKit <!-- GEN:webkit-version -->14.2<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
-| Firefox <!-- GEN:firefox-version -->86.0b10<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
+| Firefox <!-- GEN:firefox-version -->87.0b5<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 
 Headless execution is supported for all the browsers on all platforms. Check out [system requirements](https://playwright.dev/docs/intro/#system-requirements) for details.
 
diff --git a/browsers.json b/browsers.json
index ae06bb075d..4ce76261c9 100644
--- a/browsers.json
+++ b/browsers.json
@@ -8,7 +8,7 @@
     },
     {
       "name": "firefox",
-      "revision": "1234",
+      "revision": "1237",
       "download": true
     },
     {
diff --git a/src/server/firefox/firefox.ts b/src/server/firefox/firefox.ts
index 109a2d7a07..15bfbc672e 100644
--- a/src/server/firefox/firefox.ts
+++ b/src/server/firefox/firefox.ts
@@ -46,6 +46,8 @@ export class Firefox extends BrowserType {
       ...env,
       // On linux Juggler ships the libstdc++ it was linked against.
       LD_LIBRARY_PATH: `${path.dirname(executable)}:${process.env.LD_LIBRARY_PATH}`,
+      // @see https://github.com/microsoft/playwright/issues/5721
+      MOZ_WEBRENDER: 0,
     } : env;
   }