diff --git a/packages/playwright-core/browsers.json b/packages/playwright-core/browsers.json
index 7fe1da0e7b..d39bb38cf6 100644
--- a/packages/playwright-core/browsers.json
+++ b/packages/playwright-core/browsers.json
@@ -33,7 +33,7 @@
     },
     {
       "name": "webkit",
-      "revision": "1666",
+      "revision": "1667",
       "installByDefault": true,
       "revisionOverrides": {
         "mac10.14": "1446",
diff --git a/tests/assets/modernizr/mobile-safari-14-1.json b/tests/assets/modernizr/mobile-safari-14-1.json
index 1391463a4b..a67ccfb232 100644
--- a/tests/assets/modernizr/mobile-safari-14-1.json
+++ b/tests/assets/modernizr/mobile-safari-14-1.json
@@ -292,7 +292,7 @@
   "cssresize": true,
   "scrollsnappoints": true,
   "shapes": true,
-  "textalignlast": false,
+  "textalignlast": true,
   "csstransforms": true,
   "csstransforms3d": true,
   "csstransformslevel2": true,
diff --git a/tests/assets/modernizr/safari-14-1.json b/tests/assets/modernizr/safari-14-1.json
index 55373b37f8..5be7c70bcc 100644
--- a/tests/assets/modernizr/safari-14-1.json
+++ b/tests/assets/modernizr/safari-14-1.json
@@ -292,7 +292,7 @@
   "cssresize": true,
   "scrollsnappoints": true,
   "shapes": true,
-  "textalignlast": false,
+  "textalignlast": true,
   "csstransforms": true,
   "csstransforms3d": true,
   "csstransformslevel2": true,
diff --git a/tests/library/modernizr.spec.ts b/tests/library/modernizr.spec.ts
index ef47d88ad4..59a80ef085 100644
--- a/tests/library/modernizr.spec.ts
+++ b/tests/library/modernizr.spec.ts
@@ -16,6 +16,7 @@
 
 import { browserTest as it, expect } from '../config/browserTest';
 import fs from 'fs';
+import os from 'os';
 
 async function checkFeatures(name: string, context: any, server: any) {
   try {
@@ -31,6 +32,7 @@ async function checkFeatures(name: string, context: any, server: any) {
 
 it('safari-14-1', async ({ browser, browserName, platform, server, headless }) => {
   it.skip(browserName !== 'webkit');
+  it.skip(browserName === 'webkit' && parseInt(os.release(), 10) < 20, 'WebKit for macOS 10.15 is frozen.');
   const context = await browser.newContext({
     deviceScaleFactor: 2
   });
@@ -73,6 +75,7 @@ it('safari-14-1', async ({ browser, browserName, platform, server, headless }) =
 
 it('mobile-safari-14-1', async ({ playwright, browser, browserName, platform, server, headless }) => {
   it.skip(browserName !== 'webkit');
+  it.skip(browserName === 'webkit' && parseInt(os.release(), 10) < 20, 'WebKit for macOS 10.15 is frozen.');
   const iPhone = playwright.devices['iPhone 12'];
   const context = await browser.newContext(iPhone);
   const { actual, expected } = await checkFeatures('mobile-safari-14-1', context, server);