diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 09e9109..9a4edbf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,3 +36,13 @@ jobs:
       - name: Run browser tests in Saucelabs
         run: npm run test-ci
         timeout-minutes: 5
+      - name: Install lcov
+        run: |
+          sudo apt update
+          sudo apt install lcov
+      - name: Merge lcov reports
+        run: find coverage -name lcov.info -exec echo -a \"{}\" \; | xargs lcov -o coverage/lcov.info
+      - name: Coveralls
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.github_token }}
diff --git a/karma.conf.js b/karma.conf.js
index e57339f..12dde3b 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -6,18 +6,28 @@ module.exports = function (config) {
             'stackframe.js',
             'spec/*-spec.js'
         ],
-        reporters: ['spec'],
         port: 9876,
         colors: true,
         logLevel: config.LOG_INFO,
         autoWatch: true,
         customLaunchers: {
-            Chrome_Travis: {
+            Chrome_No_Sandbox: {
                 base: 'Chrome',
                 flags: ['--no-sandbox']
             }
         },
         browsers: ['PhantomJS'],
+        reporters: ['spec', 'saucelabs', 'coverage', 'coveralls'],
+        preprocessors: {
+            'error-stack-parser.js': 'coverage'
+        },
+        coverageReporter: {
+            type: 'lcov',
+            dir: 'coverage',
+            subdir: function(browser) {
+                return browser.toLowerCase().split(/[ /-]/)[0];
+            }
+        },
         singleRun: false
     });
 };
diff --git a/package.json b/package.json
index 9b6796b..6290b29 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
   "scripts": {
     "lint": "eslint",
     "test": "karma start karma.conf.js --single-run",
-    "test-pr": "karma start karma.conf.js --single-run --browsers Firefox,Chrome_Travis",
+    "test-pr": "karma start karma.conf.js --single-run --browsers Firefox,Chrome_No_Sandbox",
     "test-ci": "karma start karma.conf.ci.js --single-run",
     "prepare": "cp stackframe.js dist/ && uglifyjs stackframe.js -o dist/stackframe.min.js --compress --mangle --source-map \"url=stackframe.min.js.map\""
   }