.travis.yml in authority-3.2.2 vs .travis.yml in authority-3.3.0

@@ -1,11 +1,13 @@
 language: ruby
 rvm:
   - 1.9.3
-  - 2.0
-  - 2.1
-  - 2.2
+  - 2.0.0
+  - 2.1.10
+  - 2.2.6
+  - 2.3.3
+  - 2.4.0
   - jruby-19mode # JRuby in 1.9 mode
   # - rbx-2
 
 before_install:
   - gem update bundler && bundle --version
@@ -18,10 +20,18 @@
 
 matrix:
   exclude:
     - rvm: rbx
       gemfile: gemfiles/4.0.gemfile
+    - rvm: 2.4.0
+      gemfile: gemfiles/3.2.gemfile
+    - rvm: 2.4.0
+      gemfile: gemfiles/4.1.gemfile
+    - rvm: 2.4.0
+      gemfile: gemfiles/4.2.gemfile
   include:
-    - rvm: 2.2.2
+    - rvm: 2.2.6
       gemfile: gemfiles/5.0.gemfile
-    - rvm: 2.3.1
+    - rvm: 2.3.3
+      gemfile: gemfiles/5.0.gemfile
+    - rvm: 2.4.0
       gemfile: gemfiles/5.0.gemfile