diff --git a/packages/playwright-core/browsers.json b/packages/playwright-core/browsers.json
index 22bbb85326..f1b7edeb91 100644
--- a/packages/playwright-core/browsers.json
+++ b/packages/playwright-core/browsers.json
@@ -33,7 +33,7 @@
     },
     {
       "name": "webkit",
-      "revision": "1715",
+      "revision": "1719",
       "installByDefault": true,
       "revisionOverrides": {
         "mac10.14": "1446",
diff --git a/packages/playwright-core/src/server/webkit/protocol.d.ts b/packages/playwright-core/src/server/webkit/protocol.d.ts
index 229bc95fa1..3eb53abd12 100644
--- a/packages/playwright-core/src/server/webkit/protocol.d.ts
+++ b/packages/playwright-core/src/server/webkit/protocol.d.ts
@@ -881,6 +881,14 @@ export module Protocol {
        * The variation axes defined by the font.
        */
       variationAxes: FontVariationAxis[];
+      /**
+       * Whether the font has synthesized its boldness or not.
+       */
+      synthesizedBold?: boolean;
+      /**
+       * Whether the font has synthesized its obliqueness or not
+       */
+      synthesizedOblique?: boolean;
     }
     /**
      * A single variation axis associated with a Font.