.travis.yml in achecker-0.0.4 vs .travis.yml in achecker-0.0.5

@@ -1,9 +1,11 @@
 language: ruby
 rvm:
-- 2.0.0
-- 2.1.8
-- 2.2.4
+- 2.1.10
+- 2.2.10
+- 2.3.8
+- 2.4.10
+- 2.5.8
 - ruby-head
 - jruby-19mode
 - jruby
 - jruby-head
 matrix: