diff --git a/.travis.yml b/.travis.yml
index a121118..5711919 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,6 @@
 sudo: false
 language: ruby
 rvm:
-  - 2.3.1
-before_install: gem install bundler -v 1.16.2
+  - 2.6.6
+cache: bundler
+before_install: gem install bundler