diff --git a/packages/playwright-core/browsers.json b/packages/playwright-core/browsers.json
index 6121dfe61f..3b9d048a1d 100644
--- a/packages/playwright-core/browsers.json
+++ b/packages/playwright-core/browsers.json
@@ -39,7 +39,7 @@
     },
     {
       "name": "webkit",
-      "revision": "1902",
+      "revision": "1904",
       "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 b5ba81be78..64368682b6 100644
--- a/packages/playwright-core/src/server/webkit/protocol.d.ts
+++ b/packages/playwright-core/src/server/webkit/protocol.d.ts
@@ -1297,6 +1297,14 @@ export module Protocol {
        * The type of rendering context backing the canvas.
        */
       contextType: ContextType;
+      /**
+       * Width of the canvas in pixels.
+       */
+      width: number;
+      /**
+       * Height of the canvas in pixels.
+       */
+      height: number;
       /**
        * The corresponding DOM node id.
        */
@@ -1339,6 +1347,20 @@ export module Protocol {
        */
       canvasId: CanvasId;
     }
+    export type canvasSizeChangedPayload = {
+      /**
+       * Identifier of canvas that changed.
+       */
+      canvasId: CanvasId;
+      /**
+       * Width of the canvas in pixels.
+       */
+      width: number;
+      /**
+       * Height of the canvas in pixels.
+       */
+      height: number;
+    }
     export type canvasMemoryChangedPayload = {
       /**
        * Identifier of canvas that changed.
@@ -9088,6 +9110,7 @@ the top of the viewport and Y increases as it proceeds towards the bottom of the
     "CSS.nodeLayoutFlagsChanged": CSS.nodeLayoutFlagsChangedPayload;
     "Canvas.canvasAdded": Canvas.canvasAddedPayload;
     "Canvas.canvasRemoved": Canvas.canvasRemovedPayload;
+    "Canvas.canvasSizeChanged": Canvas.canvasSizeChangedPayload;
     "Canvas.canvasMemoryChanged": Canvas.canvasMemoryChangedPayload;
     "Canvas.extensionEnabled": Canvas.extensionEnabledPayload;
     "Canvas.clientNodesChanged": Canvas.clientNodesChangedPayload;