diff --git a/.travis.yml b/.travis.yml
index 08dc2bb..9cb2cc7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,9 +2,7 @@
 language: ruby
 cache: bundler
 rvm:
-  - 2.0
-  - 2.2
-  - 2.3.1
+  - 2.3.3
 
 bundler_args: --without integration
 script: bundle exec rake