diff --git a/README.md b/README.md
index 6aa1593d60..228bdbb44a 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://join.slack.com/t/playwright/shared_invite/enQtOTEyMTUxMzgxMjIwLThjMDUxZmIyNTRiMTJjNjIyMzdmZDA3MTQxZWUwZTFjZjQwNGYxZGM5MzRmNzZlMWI5ZWUyOTkzMjE5Njg1NDg) <!-- GEN:chromium-version-badge -->[![Chromium version](https://img.shields.io/badge/chromium-89.0.4330.0-blue.svg?logo=google-chrome)](https://www.chromium.org/Home)<!-- GEN:stop --> <!-- GEN:firefox-version-badge -->[![Firefox version](https://img.shields.io/badge/firefox-84.0b5-blue.svg?logo=mozilla-firefox)](https://www.mozilla.org/en-US/firefox/new/)<!-- GEN:stop --> [![WebKit version](https://img.shields.io/badge/webkit-14.0-blue.svg?logo=safari)](https://webkit.org/)
+[![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://join.slack.com/t/playwright/shared_invite/enQtOTEyMTUxMzgxMjIwLThjMDUxZmIyNTRiMTJjNjIyMzdmZDA3MTQxZWUwZTFjZjQwNGYxZGM5MzRmNzZlMWI5ZWUyOTkzMjE5Njg1NDg) <!-- GEN:chromium-version-badge -->[![Chromium version](https://img.shields.io/badge/chromium-89.0.4330.0-blue.svg?logo=google-chrome)](https://www.chromium.org/Home)<!-- GEN:stop --> <!-- GEN:firefox-version-badge -->[![Firefox version](https://img.shields.io/badge/firefox-84.0b7-blue.svg?logo=mozilla-firefox)](https://www.mozilla.org/en-US/firefox/new/)<!-- GEN:stop --> [![WebKit version](https://img.shields.io/badge/webkit-14.0-blue.svg?logo=safari)](https://webkit.org/)
 
 ## [Documentation](https://playwright.dev) | [API reference](https://playwright.dev/#?path=docs/api.md)
 
@@ -10,7 +10,7 @@ Playwright is a Node.js library to automate [Chromium](https://www.chromium.org/
 |   :---   | :---: | :---: | :---:   |
 | Chromium <!-- GEN:chromium-version -->89.0.4330.0<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 | WebKit 14.1 | :white_check_mark: | :white_check_mark: | :white_check_mark: |
-| Firefox <!-- GEN:firefox-version -->84.0b5<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
+| Firefox <!-- GEN:firefox-version -->84.0b7<!-- 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/#?path=docs/intro.md&q=system-requirements) for details.
 
diff --git a/browsers.json b/browsers.json
index 55f8a02460..7e6eb12a72 100644
--- a/browsers.json
+++ b/browsers.json
@@ -8,7 +8,7 @@
     },
     {
       "name": "firefox",
-      "revision": "1215",
+      "revision": "1217",
       "download": true
     },
     {
diff --git a/test/dialog.spec.ts b/test/dialog.spec.ts
index 3a8de60d0f..885017cd9c 100644
--- a/test/dialog.spec.ts
+++ b/test/dialog.spec.ts
@@ -74,3 +74,33 @@ it('should be able to close context with open alert', (test, { browserName, plat
   await alertPromise;
   await context.close();
 });
+
+it('should handle multiple alerts', async ({page}) => {
+  page.on('dialog', dialog => {
+    dialog.accept().catch(e => {});
+  });
+  await page.setContent(`
+    <p>Hello World</p>
+    <script>
+      alert('Please dismiss this dialog');
+      alert('Please dismiss this dialog');
+      alert('Please dismiss this dialog');
+    </script>
+  `);
+  expect(await page.textContent('p')).toBe('Hello World');
+});
+
+it('should handle multiple confirms', async ({page}) => {
+  page.on('dialog', dialog => {
+    dialog.accept().catch(e => {});
+  });
+  await page.setContent(`
+    <p>Hello World</p>
+    <script>
+      confirm('Please confirm me?');
+      confirm('Please confirm me?');
+      confirm('Please confirm me?');
+    </script>
+  `);
+  expect(await page.textContent('p')).toBe('Hello World');
+});