.travis.yml in unicode-name-1.4.2 vs .travis.yml in unicode-name-1.5.0

@@ -2,19 +2,16 @@
 language: ruby
 
 script: bundle exec ruby spec/unicode_name_spec.rb
 
 rvm:
-- 2.4.0
-- 2.3.3
+- 2.4.1
+- 2.3.4
 - 2.2
 - 2.1
 - ruby-head
 - jruby-head
-- jruby-9.1.7.0
-
-cache:
-- bundler
+- jruby-9.1.12.0
 
 matrix:
   allow_failures:
     - rvm: jruby-head