diff --git a/.travis.yml b/.travis.yml
index 781e0508..9179858b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,13 +1,12 @@
 sudo: false
 language: node_js
 node_js:
-  - "lts/*"
   - "stable"
 cache:
   yarn: true
   directories:
     - "node_modules"
 script:
-  - npm run build:all
-  - npm run lint
-  - npm test
+  - yarn build:all
+  - yarn lint
+  - yarn test
diff --git a/package.json b/package.json
index e475e1ee..289ba1c2 100644
--- a/package.json
+++ b/package.json
@@ -3,6 +3,7 @@
   "devDependencies": {
     "babel-eslint": "^10.0.0",
     "eslint-plugin-react": "7.4.0",
+    "eslint-plugin-flowtype": "3.2.0",
     "lerna": "3.4.2"
   },
   "scripts": {