diff --git a/package-lock.json b/package-lock.json
index 7febbf37a..3a8c19879 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2290,6 +2290,12 @@
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+          "version": "6.1.0",
+          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.1.0.tgz",
+          "integrity": "sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==",
+          "dev": true,
+          "requires": {
+            "graceful-fs": "^4.1.6",
+            "universalify": "^2.0.0"
+          },
+          "dependencies": {
+            "universalify": {
+              "version": "2.0.0",
+              "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.0.tgz",
+              "integrity": "sha512-hAZsKq7Yy11Zu1DE0OzWjw7nnLZmJZYTDZZyEFHZdUhV8FkH5MCfoU1XMaxXovpyW5nq5scPqq0ZDP9Zyl04oQ==",
+              "dev": true
+            }
+          }
+        },
+        "serialize-error": {
+          "version": "7.0.1",
+          "resolved": "https://registry.npmjs.org/serialize-error/-/serialize-error-7.0.1.tgz",
+          "integrity": "sha512-8I8TjW5KMOKsZQTvoxjuSIa7foAwPWGOts+6o7sgjz41/qMD9VQHEDxi6PBvK2l0MXUmqZyNpUK+T2tQaaElvw==",
+          "dev": true,
+          "requires": {
+            "type-fest": "^0.13.1"
+          }
+        },
+        "type-fest": {
+          "version": "0.13.1",
+          "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.13.1.tgz",
+          "integrity": "sha512-34R7HTnG0XIJcBSn5XhDd7nNFPRcXYRZrBB2O2jdKqYODldSzBAqzsWoZYYvduky73toYS/ESqxPvkDf/F0XMg==",
+          "dev": true
+        },
+        "universalify": {
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/universalify/-/universalify-1.0.0.tgz",
+          "integrity": "sha512-rb6X1W158d7pRQBg5gkR8uPaSfiids68LTJQYOtEUhoJUWBdaQHsuT/EUduxXYxcrt4r5PJ4fuHW1MHT6p0qug==",
+          "dev": true
+        }
+      }
+    },
     "which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
@@ -14502,6 +16876,30 @@
         "buffer-crc32": "~0.2.3",
         "fd-slicer": "~1.1.0"
       }
+    },
+    "zip-stream": {
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/zip-stream/-/zip-stream-4.0.4.tgz",
+      "integrity": "sha512-a65wQ3h5gcQ/nQGWV1mSZCEzCML6EK/vyVPcrPNynySP1j3VBbQKh3nhC8CbORb+jfl2vXvh56Ul5odP1bAHqw==",
+      "dev": true,
+      "requires": {
+        "archiver-utils": "^2.1.0",
+        "compress-commons": "^4.0.2",
+        "readable-stream": "^3.6.0"
+      },
+      "dependencies": {
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "dev": true,
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index e350c7927..bcdbb6449 100644
--- a/package.json
+++ b/package.json
@@ -453,6 +453,7 @@
     "jasmine-core": "^3.6.0",
     "karma-browserify": "^7.0.0",
     "karma-browserstack-launcher": "^1.6.0",
+    "karma-sauce-launcher": "latest",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-firefox-launcher": "^1.3.0",
diff --git a/test/client/karma.conf.js b/test/client/karma.conf.js
index 598ca8199..7458d6356 100644
--- a/test/client/karma.conf.js
+++ b/test/client/karma.conf.js
@@ -1,8 +1,10 @@
 const fs = require('fs')
 
 const TRAVIS_WITH_BS = !!process.env.BROWSER_STACK_ACCESS_KEY
+const TRAVIS_WITH_SAUCE = !!process.env.SAUCE_ACCESS_KEY
 
-const launchers = {
+// Key names are 'browsers'
+const browserStackLaunchers = {
   bs_chrome: {
     base: 'BrowserStack',
     browser: 'chrome',
@@ -14,34 +16,43 @@ const launchers = {
     browser: 'firefox',
     os: 'Windows',
     os_version: '10'
-  },
-  bs_safari: {
-    base: 'BrowserStack',
-    browser: 'safari',
-    browser_version: '9.0',
-    os_version: 'El Capitan',
-    os: 'OS X'
-  },
-  bs_ie_11: {
-    base: 'BrowserStack',
-    browser: 'ie',
-    browser_version: '11.0',
-    os: 'Windows',
-    os_version: '10'
-  },
-  bs_ie_10: {
-    base: 'BrowserStack',
-    browser: 'ie',
-    browser_version: '10.0',
-    os: 'Windows',
-    os_version: '8'
-  },
-  bs_ie_9: {
-    base: 'BrowserStack',
-    browser: 'ie',
-    browser_version: '9.0',
-    os: 'Windows',
-    os_version: '7'
+  }
+  // bs_safari: {
+  //   base: 'BrowserStack',
+  //   browser: 'safari',
+  //   browser_version: '9.0',
+  //   os_version: 'El Capitan',
+  //   os: 'OS X'
+  // },
+  // bs_ie_11: {
+  //   base: 'BrowserStack',
+  //   browser: 'ie',
+  //   browser_version: '11.0',
+  //   os: 'Windows',
+  //   os_version: '10'
+  // },
+  // bs_ie_10: {
+  //   base: 'BrowserStack',
+  //   browser: 'ie',
+  //   browser_version: '10.0',
+  //   os: 'Windows',
+  //   os_version: '8'
+  // },
+  // bs_ie_9: {
+  //   base: 'BrowserStack',
+  //   browser: 'ie',
+  //   browser_version: '9.0',
+  //   os: 'Windows',
+  //   os_version: '7'
+  // }
+}
+
+const sauceLabsLaunchers = {
+  sl_chrome_linux: {
+    base: 'SauceLabs',
+    browserName: 'chrome',
+    platform: 'linux',
+    version: 'latest'
   }
 }
 
@@ -67,16 +78,16 @@ fs.lstat('node_modules/karma', (err, stats) => {
   process.exit(1)
 })
 
-let browsers = []
+const browsers = ['Chrome']
+let launchers = {}
 
-if (process.env.TRAVIS) {
-  if (TRAVIS_WITH_BS) {
-    browsers = Object.keys(launchers)
-  } else {
-    browsers.push('Firefox')
-  }
-} else {
-  browsers.push('Chrome')
+if (TRAVIS_WITH_BS) {
+  browsers.push(...Object.keys(browserStackLaunchers))
+  launchers = Object.assign(launchers, browserStackLaunchers)
+}
+if (TRAVIS_WITH_SAUCE) {
+  browsers.push(...Object.keys(sauceLabsLaunchers))
+  launchers = Object.assign(launchers, sauceLabsLaunchers)
 }
 
 module.exports = function (config) {
@@ -161,7 +172,8 @@ module.exports = function (config) {
       'karma-firefox-launcher',
       'karma-junit-reporter',
       'karma-browserify',
-      'karma-browserstack-launcher'
+      'karma-browserstack-launcher',
+      'karma-sauce-launcher'
     ],
 
     concurrency: 1,
@@ -174,6 +186,11 @@ module.exports = function (config) {
       // With many browsers the 120 requests per minute limit is hit
       // resulting in fails Error: 403 Forbidden (Rate Limit Exceeded)
       pollingTimeout: 10000
+    },
+
+    sauceLabs: {
+      testName: 'Karma client tests: saucelabs',
+      startConnect: true
     }
   })
 }