diff --git a/packages/playwright-core/browsers.json b/packages/playwright-core/browsers.json
index 53ebe5ae32..2353010436 100644
--- a/packages/playwright-core/browsers.json
+++ b/packages/playwright-core/browsers.json
@@ -21,7 +21,7 @@
     },
     {
       "name": "firefox",
-      "revision": "1334",
+      "revision": "1335",
       "installByDefault": true,
       "browserVersion": "102.0"
     },
diff --git a/packages/playwright-core/src/server/firefox/protocol.d.ts b/packages/playwright-core/src/server/firefox/protocol.d.ts
index 7953b451f9..cf55fe64ee 100644
--- a/packages/playwright-core/src/server/firefox/protocol.d.ts
+++ b/packages/playwright-core/src/server/firefox/protocol.d.ts
@@ -583,7 +583,7 @@ export module Protocol {
     };
     export type screenshotParameters = {
       mimeType: ("image/png"|"image/jpeg");
-      clip?: {
+      clip: {
         x: number;
         y: number;
         width: number;