diff --git a/README.md b/README.md
index 6258adcfa6..8cf8a748ff 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # 🎭 Playwright
 
-[![npm version](https://img.shields.io/npm/v/playwright.svg)](https://www.npmjs.com/package/playwright) <!-- GEN:chromium-version-badge -->[![Chromium version](https://img.shields.io/badge/chromium-122.0.6261.6-blue.svg?logo=google-chrome)](https://www.chromium.org/Home)<!-- GEN:stop --> <!-- GEN:firefox-version-badge -->[![Firefox version](https://img.shields.io/badge/firefox-121.0-blue.svg?logo=firefoxbrowser)](https://www.mozilla.org/en-US/firefox/new/)<!-- GEN:stop --> <!-- GEN:webkit-version-badge -->[![WebKit version](https://img.shields.io/badge/webkit-17.4-blue.svg?logo=safari)](https://webkit.org/)<!-- GEN:stop -->
+[![npm version](https://img.shields.io/npm/v/playwright.svg)](https://www.npmjs.com/package/playwright) <!-- GEN:chromium-version-badge -->[![Chromium version](https://img.shields.io/badge/chromium-122.0.6261.6-blue.svg?logo=google-chrome)](https://www.chromium.org/Home)<!-- GEN:stop --> <!-- GEN:firefox-version-badge -->[![Firefox version](https://img.shields.io/badge/firefox-122.0-blue.svg?logo=firefoxbrowser)](https://www.mozilla.org/en-US/firefox/new/)<!-- GEN:stop --> <!-- GEN:webkit-version-badge -->[![WebKit version](https://img.shields.io/badge/webkit-17.4-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 framework for Web Testing and Automation. It allows testing [Chr
 |   :---   | :---: | :---: | :---:   |
 | Chromium <!-- GEN:chromium-version -->122.0.6261.6<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 | WebKit <!-- GEN:webkit-version -->17.4<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
-| Firefox <!-- GEN:firefox-version -->121.0<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
+| Firefox <!-- GEN:firefox-version -->122.0<!-- GEN:stop --> | :white_check_mark: | :white_check_mark: | :white_check_mark: |
 
 Headless execution is supported for all browsers on all platforms. Check out [system requirements](https://playwright.dev/docs/intro#system-requirements) for details.
 
diff --git a/packages/playwright-core/browsers.json b/packages/playwright-core/browsers.json
index aa2553e47e..38e6b85f23 100644
--- a/packages/playwright-core/browsers.json
+++ b/packages/playwright-core/browsers.json
@@ -21,15 +21,15 @@
     },
     {
       "name": "firefox",
-      "revision": "1438",
+      "revision": "1439",
       "installByDefault": true,
-      "browserVersion": "121.0"
+      "browserVersion": "122.0"
     },
     {
       "name": "firefox-asan",
-      "revision": "1438",
+      "revision": "1439",
       "installByDefault": false,
-      "browserVersion": "121.0"
+      "browserVersion": "122.0"
     },
     {
       "name": "firefox-beta",
diff --git a/packages/playwright-core/src/server/deviceDescriptorsSource.json b/packages/playwright-core/src/server/deviceDescriptorsSource.json
index 6db2065c2b..66f9fc144e 100644
--- a/packages/playwright-core/src/server/deviceDescriptorsSource.json
+++ b/packages/playwright-core/src/server/deviceDescriptorsSource.json
@@ -1472,7 +1472,7 @@
     "defaultBrowserType": "chromium"
   },
   "Desktop Firefox HiDPI": {
-    "userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0",
+    "userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0",
     "screen": {
       "width": 1792,
       "height": 1120
@@ -1532,7 +1532,7 @@
     "defaultBrowserType": "chromium"
   },
   "Desktop Firefox": {
-    "userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0",
+    "userAgent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:122.0) Gecko/20100101 Firefox/122.0",
     "screen": {
       "width": 1920,
       "height": 1080