Update .travis.yml

kenyonj · web-flow · commit 533f66e077f6 · 2019-08-06T21:47:24.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,7 @@ language: node_js
 node_js:
   - 6
 before_install:
+  - gem install bundler -v 1.16.1
   - rvm install 2.4.3
   - npm install -g npm@5
 install:
