diff --git a/packages/playwright-core/browsers.json b/packages/playwright-core/browsers.json
index 28d685162d..b0a145dba0 100644
--- a/packages/playwright-core/browsers.json
+++ b/packages/playwright-core/browsers.json
@@ -21,7 +21,7 @@
     },
     {
       "name": "firefox",
-      "revision": "1351",
+      "revision": "1352",
       "installByDefault": true,
       "browserVersion": "104.0"
     },
diff --git a/packages/playwright-core/src/server/firefox/protocol.d.ts b/packages/playwright-core/src/server/firefox/protocol.d.ts
index 2919b765d2..f07c0b57ec 100644
--- a/packages/playwright-core/src/server/firefox/protocol.d.ts
+++ b/packages/playwright-core/src/server/firefox/protocol.d.ts
@@ -754,6 +754,8 @@ export module Protocol {
     export type executionContextDestroyedPayload = {
       executionContextId: string;
     }
+    export type executionContextsClearedPayload = {
+    }
     export type consolePayload = {
       executionContextId: string;
       args: {
@@ -1067,6 +1069,7 @@ export module Protocol {
     "Page.screencastFrame": Page.screencastFramePayload;
     "Runtime.executionContextCreated": Runtime.executionContextCreatedPayload;
     "Runtime.executionContextDestroyed": Runtime.executionContextDestroyedPayload;
+    "Runtime.executionContextsCleared": Runtime.executionContextsClearedPayload;
     "Runtime.console": Runtime.consolePayload;
     "Network.requestWillBeSent": Network.requestWillBeSentPayload;
     "Network.responseReceived": Network.responseReceivedPayload;