.travis.yml in email_inquire-0.5.0 vs .travis.yml in email_inquire-0.6.0

@@ -1,9 +1,15 @@
-sudo: false
+before_install:
+  - gem install bundler -v 1.14.6
+before_script:
+  - cp -f .rspec.travis .rspec
+bundler_args: --without local
+dist: trusty
 language: ruby
 rvm:
-  - 2.1.8
-  - 2.2.5
-  - 2.3.3
-  - 2.4.0
-before_install: gem install bundler -v 1.13.7
-bundler_args: --without local
+  - 2.1.10
+  - 2.2.7
+  - 2.3.4
+  - 2.4.1
+script:
+  - bundle exec rake ci
+sudo: false