diff --git a/packages/playwright-core/browsers.json b/packages/playwright-core/browsers.json
index 697d4f5d99..153c6d8d36 100644
--- a/packages/playwright-core/browsers.json
+++ b/packages/playwright-core/browsers.json
@@ -21,13 +21,13 @@
     },
     {
       "name": "firefox",
-      "revision": "1420",
+      "revision": "1421",
       "installByDefault": true,
       "browserVersion": "115.0"
     },
     {
       "name": "firefox-asan",
-      "revision": "1420",
+      "revision": "1421",
       "installByDefault": false,
       "browserVersion": "115.0"
     },