diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 48aacf21860cc..4abd22a86497b 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -48,13 +48,14 @@ jobs:
         path: test-results
 
   test_mac:
-    name: "macOS"
+    name: ${{ matrix.os }} (${{ matrix.browser }})
     strategy:
       fail-fast: false
       matrix:
+        os: [macos-10.15, macos-11.0]
         browser: [chromium, firefox, webkit]
         shard: ['1', '2']
-    runs-on: macos-latest
+    runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
     - uses: actions/setup-node@v1
@@ -70,7 +71,7 @@ jobs:
     - uses: actions/upload-artifact@v1
       if: ${{ always() }}
       with:
-        name: ${{ matrix.browser }}-mac-test-results-${{ matrix.shard }}
+        name: ${{ matrix.browser }}-${{ matrix.os }}-test-results
         path: test-results
 
   test_win:
diff --git a/src/install/browserFetcher.ts b/src/install/browserFetcher.ts
index dd38acb1f7251..7f4cfa2f82a47 100644
--- a/src/install/browserFetcher.ts
+++ b/src/install/browserFetcher.ts
@@ -67,6 +67,7 @@ function getDownloadUrl(browserName: BrowserName, revision: number, platform: Br
         ['mac10.13', '%s/chromium-browser-snapshots/Mac/%d/chrome-mac.zip'],
         ['mac10.14', '%s/chromium-browser-snapshots/Mac/%d/chrome-mac.zip'],
         ['mac10.15', '%s/chromium-browser-snapshots/Mac/%d/chrome-mac.zip'],
+        ['mac11.0', '%s/chromium-browser-snapshots/Mac/%d/chrome-mac.zip'],
         ['win32', '%s/chromium-browser-snapshots/Win/%d/chrome-win.zip'],
         ['win64', '%s/chromium-browser-snapshots/Win_x64/%d/chrome-win.zip'],
       ]).get(platform) :
@@ -76,6 +77,7 @@ function getDownloadUrl(browserName: BrowserName, revision: number, platform: Br
         ['mac10.13', '%s/builds/chromium/%s/chromium-mac.zip'],
         ['mac10.14', '%s/builds/chromium/%s/chromium-mac.zip'],
         ['mac10.15', '%s/builds/chromium/%s/chromium-mac.zip'],
+        ['mac11.0', '%s/builds/chromium/%s/chromium-mac.zip'],
         ['win32', '%s/builds/chromium/%s/chromium-win32.zip'],
         ['win64', '%s/builds/chromium/%s/chromium-win64.zip'],
       ]).get(platform);
@@ -90,6 +92,7 @@ function getDownloadUrl(browserName: BrowserName, revision: number, platform: Br
         ['mac10.13', '%s/builds/firefox/%s/firefox-mac.zip'],
         ['mac10.14', '%s/builds/firefox/%s/firefox-mac.zip'],
         ['mac10.15', '%s/builds/firefox/%s/firefox-mac.zip'],
+        ['mac11.0', '%s/builds/firefox/%s/firefox-mac.zip'],
         ['win32', '%s/builds/firefox/%s/firefox-win32.zip'],
         ['win64', '%s/builds/firefox/%s/firefox-win64.zip'],
       ]).get(platform) :
@@ -99,6 +102,7 @@ function getDownloadUrl(browserName: BrowserName, revision: number, platform: Br
         ['mac10.13', '%s/builds/firefox/%s/firefox-mac-10.14.zip'],
         ['mac10.14', '%s/builds/firefox/%s/firefox-mac-10.14.zip'],
         ['mac10.15', '%s/builds/firefox/%s/firefox-mac-10.14.zip'],
+        ['mac11.0', '%s/builds/firefox/%s/firefox-mac-10.14.zip'],
         ['win32', '%s/builds/firefox/%s/firefox-win32.zip'],
         ['win64', '%s/builds/firefox/%s/firefox-win64.zip'],
       ]).get(platform);
@@ -113,6 +117,7 @@ function getDownloadUrl(browserName: BrowserName, revision: number, platform: Br
         ['mac10.13', undefined],
         ['mac10.14', '%s/builds/webkit/%s/minibrowser-mac-10.14.zip'],
         ['mac10.15', '%s/builds/webkit/%s/minibrowser-mac-10.15.zip'],
+        ['mac11.0', '%s/builds/webkit/%s/minibrowser-mac-10.15.zip'],
         ['win32', '%s/builds/webkit/%s/minibrowser-win64.zip'],
         ['win64', '%s/builds/webkit/%s/minibrowser-win64.zip'],
       ]).get(platform) :
@@ -122,6 +127,7 @@ function getDownloadUrl(browserName: BrowserName, revision: number, platform: Br
         ['mac10.13', undefined],
         ['mac10.14', '%s/builds/webkit/%s/webkit-mac-10.14.zip'],
         ['mac10.15', '%s/builds/webkit/%s/webkit-mac-10.15.zip'],
+        ['mac11.0', '%s/builds/webkit/%s/webkit-mac-10.15.zip'],
         ['win32', '%s/builds/webkit/%s/webkit-win64.zip'],
         ['win64', '%s/builds/webkit/%s/webkit-win64.zip'],
       ]).get(platform);
diff --git a/src/utils/browserPaths.ts b/src/utils/browserPaths.ts
index 151d2bdc4b3d8..242f26c1cef60 100644
--- a/src/utils/browserPaths.ts
+++ b/src/utils/browserPaths.ts
@@ -22,7 +22,7 @@ import { getUbuntuVersionSync } from './ubuntuVersion';
 import { getFromENV } from './utils';
 
 export type BrowserName = 'chromium'|'webkit'|'firefox';
-export type BrowserPlatform = 'win32'|'win64'|'mac10.13'|'mac10.14'|'mac10.15'|'ubuntu18.04'|'ubuntu20.04';
+export type BrowserPlatform = 'win32'|'win64'|'mac10.13'|'mac10.14'|'mac10.15'|'mac11.0'|'ubuntu18.04'|'ubuntu20.04';
 export type BrowserDescriptor = {
   name: BrowserName,
   revision: string,
@@ -81,6 +81,7 @@ export function executablePath(browserPath: string, browser: BrowserDescriptor):
       ['mac10.13', ['chrome-mac', 'Chromium.app', 'Contents', 'MacOS', 'Chromium']],
       ['mac10.14', ['chrome-mac', 'Chromium.app', 'Contents', 'MacOS', 'Chromium']],
       ['mac10.15', ['chrome-mac', 'Chromium.app', 'Contents', 'MacOS', 'Chromium']],
+      ['mac11.0', ['chrome-mac', 'Chromium.app', 'Contents', 'MacOS', 'Chromium']],
       ['win32', ['chrome-win', 'chrome.exe']],
       ['win64', ['chrome-win', 'chrome.exe']],
     ]).get(hostPlatform);
@@ -93,6 +94,7 @@ export function executablePath(browserPath: string, browser: BrowserDescriptor):
       ['mac10.13', ['firefox', 'Nightly.app', 'Contents', 'MacOS', 'firefox']],
       ['mac10.14', ['firefox', 'Nightly.app', 'Contents', 'MacOS', 'firefox']],
       ['mac10.15', ['firefox', 'Nightly.app', 'Contents', 'MacOS', 'firefox']],
+      ['mac11.0', ['firefox', 'Nightly.app', 'Contents', 'MacOS', 'firefox']],
       ['win32', ['firefox', 'firefox.exe']],
       ['win64', ['firefox', 'firefox.exe']],
     ]).get(hostPlatform);
@@ -105,6 +107,7 @@ export function executablePath(browserPath: string, browser: BrowserDescriptor):
       ['mac10.13', undefined],
       ['mac10.14', ['pw_run.sh']],
       ['mac10.15', ['pw_run.sh']],
+      ['mac11.0', ['pw_run.sh']],
       ['win32', ['Playwright.exe']],
       ['win64', ['Playwright.exe']],
     ]).get(hostPlatform);