diff --git a/.travis.yml b/.travis.yml
index da3db94..a2c11e8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: node_js
-sudo: required
+sudo: 'false'
 before_script:
   - npm install -g polymer-cli
   - polymer install --variants
@@ -9,25 +9,23 @@ before_script:
     update-types".' && false)
   - >-
     npm run format && git diff --exit-code || (echo -e '\n\033[31mERROR:\033[0m
-    Typings are stale. Please run "npm run format".' && false)
+    Project is not formatted. Please run "npm run format".' && false)
 env:
   global:
     - secure: >-
-        L4lSnuQZDY+YcXYzBZSRKjJJ1rZf18Lc/8YDgQPfkMkAItrRHGR8vblBoKiPAmtvgNxztcpZxAXTiDy1vAeVv54QnX9b1JsuOs7rrQxB4BS04Dj7LdT6DDu1p/V09MJBN11lzLVxgpxljbumwGWE4gfpDl2+rjbBt7cRV5VkVnE=
+        IRn7Bu0Iq9etV/e71Lt3D9FRwVYB6lx8ItB9qk6Tj0FdmtpZ0PIKjTQ08QnbNHinl4xMkeJWs41qPk8LpOig2LHd7AmXnomRwHck1+7oJyIqTMf9fsbZ8BkdAz8RPr0OmiTVsjAZaFaI9YVc9y9DyfD8DGO51mWdpUCfr/S2+Hw=
     - secure: >-
-        H7dHZ9FQvJszK2UMNZJiZmzOPET3muO/XvlkUc1x3KcUlV5/tD/404V05XfFMowH7DavHFYleZkb89deYjq9PHncO9c4bp4SHD7HKN4FaGyhzfpXjg66v3dZH/OcERjaas337uUE2jo/x1jCq4HJCz2bMVh+bvd4du1C/2OWarc=
+        ZJDnPya7VyGKCUiaG1VfoT2GWRXDPt33+uFgLxIx3ahZu/Mlw5jy5vu9Y/qQldHAdGceY19wmXhdHsnQBKmDjE4MDSVl7FDVV5eUstsudoovx+ul9MsbdGfBXKT6C3bATqPpQ+ML8hMeuJSQ4AlbY7+KhpVEVi4ko8uaDERdOWc=
 node_js: '9'
 addons:
   firefox: latest
-  apt:
-    sources:
-      - google-chrome
-    packages:
-      - google-chrome-stable
-  sauce_connect: true
+  chrome: stable
 script:
   - xvfb-run polymer test
   - >-
     if [ "${TRAVIS_PULL_REQUEST}" = "false" ]; then polymer test -s 'default';
     fi
 dist: trusty
+cache:
+  directories:
+    - node_modules
diff --git a/package.json b/package.json
index b2584fe..bcc6eb3 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "license": "BSD-3-Clause",
   "devDependencies": {
-    "@polymer/gen-typescript-declarations": "^1.2.0",
+    "@polymer/gen-typescript-declarations": "^1.2.2",
     "bower": "^1.8.0",
     "webmat": "^0.2.0"
   },
diff --git a/wct.conf.json b/wct.conf.json
new file mode 100644
index 0000000..bb2d5a8
--- /dev/null
+++ b/wct.conf.json
@@ -0,0 +1,16 @@
+{
+  "plugins": {
+    "local": {
+      "browserOptions": {
+        "chrome": [
+          "no-sandbox",
+          "headless",
+          "disable-gpu"
+        ],
+        "firefox": [
+          "-headless"
+        ]
+      }
+    }
+  }
+}
\ No newline at end of file