.travis.yml in active_model_serializers-0.10.7 vs .travis.yml in active_model_serializers-0.10.8

@@ -38,9 +38,11 @@
   # See JRuby currently failing on Rails 5+ https://github.com/jruby/activerecord-jdbc-adapter/issues/708
   # - { rvm: jruby-9.1.13.0, jdk: oraclejdk8, env: "RAILS_VERSION=5.0 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
   # - { rvm: jruby-head,     jdk: oraclejdk8, env: "RAILS_VERSION=5.1 JRUBY_OPTS='--dev -J-Xmx1024M --debug'" }
   exclude:
   - { rvm: 2.1.10,        env: RAILS_VERSION=master }
+  - { rvm: 2.2.8,        env: RAILS_VERSION=master }
+  - { rvm: 2.3.5,        env: RAILS_VERSION=master }
   - { rvm: 2.1.10,        env: RAILS_VERSION=5.0 }
   - { rvm: 2.1.10,        env: RAILS_VERSION=5.1 }
   - { rvm: 2.4.2,         env: RAILS_VERSION=4.1 }
   - { rvm: ruby-head,     env: RAILS_VERSION=4.1 }
   allow_failures: