.travis.yml in api-auth-2.2.0 vs .travis.yml in api-auth-2.2.1

@@ -1,19 +1,23 @@
 language: ruby
 sudo: false
 cache: bundler
 rvm:
-  - 2.1.9
-  - 2.2.6
-  - 2.3.3
-  - 2.4.1
+  - 2.1.10
+  - 2.2.9
+  - 2.3.6
+  - 2.4.3
+  - 2.5.0
 gemfile:
   - gemfiles/rails_4.gemfile
   - gemfiles/rails_41.gemfile
   - gemfiles/rails_42.gemfile
   - gemfiles/rails_5.gemfile
   - gemfiles/rails_51.gemfile
+  - gemfiles/http2.gemfile
+  - gemfiles/http3.gemfile
+  - gemfiles/http4.gemfile
 env:
   - TEST_SUITE=rake
 
 before_install:
   - gem update bundler
@@ -21,15 +25,21 @@
 script:
   - bundle exec $TEST_SUITE
 
 matrix:
   exclude:
-    - rvm: 2.1.9
+    - rvm: 2.1.10
       gemfile: gemfiles/rails_5.gemfile
-    - rvm: 2.1.9
+    - rvm: 2.1.10
       gemfile: gemfiles/rails_51.gemfile
+    - rvm: 2.1.9
+      gemfile: gemfiles/http2.gemfile
+    - rvm: 2.1.9
+      gemfile: gemfiles/http3.gemfile
+    - rvm: 2.1.9
+      gemfile: gemfiles/http4.gemfile
   include:
-    - rvm: 2.4.1
+    - rvm: 2.5.0
       gemfile: gemfiles/rails_5.gemfile
       env: TEST_SUITE="rubocop lib/ spec/"
 
 notifications:
   email: false