diff --git a/.travis.yml b/.travis.yml
index 88b7bda16..0ace69ac8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,11 +1,10 @@
 language: ruby
-rvm: 2.2
+rvm: 2.5
 cache: bundler
-sudo: false
 
 install:
  - bundle config build.nokogiri --use-system-libraries
- - travis_retry bundle install
+ - bundle install --jobs=3 --retry=3
 
 script:
  - bundle exec jekyll build