Update .travis.yml

dashed · web-flow · commit fc95501e818c · 2019-02-05T07:19:25.000-05:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,11 +1,8 @@
 sudo: false
 language: node_js
 node_js:
-- '7'
-- '6'
-- '5'
-- '4'
-- '10'
+  - 'node'
+  - 'lts/*'
 before_install: yarn global add greenkeeper-lockfile@1
 before_script: greenkeeper-lockfile-update
 script: npm run travis
