.travis.yml in uglifier-3.0.3 vs .travis.yml in uglifier-3.0.4.harmony1

@@ -2,14 +2,15 @@
 language: ruby
 cache: bundler
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1.9
-  - 2.2.5
-  - 2.3.1
+  - 2.1.10
+  - 2.2.6
+  - 2.3.3
+  - 2.4.0
   - jruby-19mode
-  - jruby-9.0.5.0
+  - jruby-9.1.6.0
 git:
   submodules: false
 gemfile:
   - Gemfile
 matrix: