diff --git a/.github/workflows/mocha.yml b/.github/workflows/mocha.yml
index ab063f88df..101b25c1d4 100644
--- a/.github/workflows/mocha.yml
+++ b/.github/workflows/mocha.yml
@@ -138,10 +138,18 @@ jobs:
           github-token: '${{ secrets.GITHUB_TOKEN }}'
 
   test-browser:
-    name: 'Browser Tests'
+    name: Browser Tests on SauceLabs [${{ matrix.browser }}]
     needs: smoke
     runs-on: ubuntu-latest
     timeout-minutes: 20
+    strategy:
+      matrix:
+        browser:
+          - ChromeDebug
+          - firefox@latest
+          - chrome@latest
+          - MicrosoftEdge@latest
+          - safari@latest
     # Don't run forked 'pull_request' without saucelabs token
     if: github.event_name == 'push' || !github.event.pull_request.head.repo.fork
     steps:
@@ -165,3 +173,4 @@ jobs:
         env:
           SAUCE_USERNAME: ${{ secrets.SAUCE_USERNAME }}
           SAUCE_ACCESS_KEY: ${{ secrets.SAUCE_ACCESS_KEY }}
+          BROWSER: ${{ matrix.browser }}
diff --git a/karma.conf.js b/karma.conf.js
index 162328926f..728632151b 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -28,6 +28,7 @@ const rollupPlugin = require('./scripts/karma-rollup-plugin');
 const BASE_BUNDLE_DIR_PATH = path.join(__dirname, '.karma');
 const env = process.env;
 const hostname = os.hostname();
+const BROWSER = env.BROWSER;
 
 const SAUCE_BROWSER_PLATFORM_MAP = {
   'chrome@latest': 'Windows 10',
@@ -120,6 +121,13 @@ module.exports = config => {
     files: [...cfg.files, {pattern: './mocha.js.map', included: false}]
   };
 
+  if (BROWSER) {
+    cfg = {
+      ...cfg,
+      browsers: [BROWSER]
+    };
+  }
+
   config.set(cfg);
 };