diff --git a/packages/playwright-core/browsers.json b/packages/playwright-core/browsers.json
index 8adece15a8..b8dc73e6e1 100644
--- a/packages/playwright-core/browsers.json
+++ b/packages/playwright-core/browsers.json
@@ -33,7 +33,7 @@
     },
     {
       "name": "webkit",
-      "revision": "1728",
+      "revision": "1735",
       "installByDefault": true,
       "revisionOverrides": {
         "mac10.14": "1446",
diff --git a/tests/page/page-click-scroll.spec.ts b/tests/page/page-click-scroll.spec.ts
index 15ff60e11a..62afdc3e18 100644
--- a/tests/page/page-click-scroll.spec.ts
+++ b/tests/page/page-click-scroll.spec.ts
@@ -19,6 +19,7 @@ import { expect, test as it } from './pageTest';
 it('should not hit scroll bar', async ({ page, browserName, platform }) => {
   it.fixme(browserName === 'webkit' && platform === 'darwin');
   it.fixme(browserName === 'webkit' && platform === 'linux', 'Fails in headless and in headful on Ubuntu 22.04');
+  it.fixme(browserName === 'webkit' && platform === 'win32', 'https://github.com/microsoft/playwright/issues/18452');
 
   await page.setContent(`
     <style>
diff --git a/tests/page/page-screenshot.spec.ts b/tests/page/page-screenshot.spec.ts
index 47cde60ff5..344719db95 100644
--- a/tests/page/page-screenshot.spec.ts
+++ b/tests/page/page-screenshot.spec.ts
@@ -226,8 +226,9 @@ it.describe('page screenshot', () => {
     await verifyViewport(page, 500, 500);
   });
 
-  it('should allow transparency', async ({ page, browserName }) => {
+  it('should allow transparency', async ({ page, browserName, platform }) => {
     it.fail(browserName === 'firefox');
+    it.fixme(browserName === 'webkit' && platform === 'win32', 'https://github.com/microsoft/playwright/issues/18452');
 
     await page.setViewportSize({ width: 50, height: 150 });
     await page.setContent(`