.travis.yml in carrierwave-base64-2.7.0 vs .travis.yml in carrierwave-base64-2.8.0

@@ -1,17 +1,18 @@
 language: ruby
 
 rvm:
- - 2.1.10
  - 2.2.10
- - 2.3.7
- - 2.4.4
- - 2.5.1
+ - 2.3.8
+ - 2.4.5
+ - 2.5.2
  - ruby-head
+ - jruby-head
 
 matrix:
   allow_failures:
     - rvm: ruby-head
+    - rvm: jruby-head
 
 gemfile:
   - Gemfile
 
 sudo: false