diff --git a/packages/playwright-core/browsers.json b/packages/playwright-core/browsers.json
index af9e96047b801..a3b0877ea3a18 100644
--- a/packages/playwright-core/browsers.json
+++ b/packages/playwright-core/browsers.json
@@ -24,7 +24,7 @@
     },
     {
       "name": "webkit",
-      "revision": "2361",
+      "revision": "2364",
       "installByDefault": true,
       "revisionOverrides": {
         "mac14": "2251",
diff --git a/packages/playwright-core/src/server/webkit/protocol.d.ts b/packages/playwright-core/src/server/webkit/protocol.d.ts
index a1ef30279396e..0352aa0671a49 100644
--- a/packages/playwright-core/src/server/webkit/protocol.d.ts
+++ b/packages/playwright-core/src/server/webkit/protocol.d.ts
@@ -6389,7 +6389,11 @@ the top of the viewport and Y increases as it proceeds towards the bottom of the
       /**
        * Limits the bytes per second of requests if positive. Removes any limits if zero or not provided.
        */
-      bytesPerSecondLimit?: number;
+      bandwidth?: number;
+      /**
+       * Adds a round-trip delay (in milliseconds) to each request if positive. Removes any delay if zero or not provided.
+       */
+      latency?: number;
     }
     export type setEmulatedConditionsReturnValue = {
     }