diff --git a/.travis.yml b/.travis.yml
index f380c1b9..22b1863d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,7 @@ dist: trusty
 language: ruby
 cache: bundler
 rvm:
-  - 2.2.3
+  - 2.3.1
 before_install:
   - "echo 'gem: --no-ri --no-rdoc' > ~/.gemrc"
   - "echo `phantomjs -v`"