Test with latest Ruby versions

Author: n-rodriguez

.travis.yml

@@ -3,8 +3,8 @@ language: ruby
 sudo: required
 cache: bundler
 rvm:
-  - 2.2.9
-  - 2.3.6
+  - 2.2.10
+  - 2.3.7
 gemfile:
   - gemfiles/rails_4.0.13.gemfile
   - gemfiles/rails_4.1.16.gemfile
@@ -14,31 +14,31 @@ gemfile:
   - gemfiles/rails_5.2.0.gemfile
 matrix:
   include:
-    - rvm: 2.4.3
+    - rvm: 2.4.4
       gemfile: gemfiles/rails_4.2.10.gemfile
       env: DB_ADAPTER=postgresql
-    - rvm: 2.4.3
+    - rvm: 2.4.4
       gemfile: gemfiles/rails_5.0.7.gemfile
       env: DB_ADAPTER=postgresql
-    - rvm: 2.4.3
+    - rvm: 2.4.4
       gemfile: gemfiles/rails_5.1.6.gemfile
       env: DB_ADAPTER=postgresql
-    - rvm: 2.4.3
+    - rvm: 2.4.4
       gemfile: gemfiles/rails_4.2.10.gemfile
       env: DB_ADAPTER=mysql2
-    - rvm: 2.4.3
+    - rvm: 2.4.4
       gemfile: gemfiles/rails_5.0.7.gemfile
       env: DB_ADAPTER=mysql2
-    - rvm: 2.4.3
+    - rvm: 2.4.4
       gemfile: gemfiles/rails_5.1.6.gemfile
       env: DB_ADAPTER=mysql2
-    - rvm: 2.4.3
+    - rvm: 2.4.4
       gemfile: gemfiles/rails_4.2.10.gemfile
       env: DB_ADAPTER=oracle_enhanced
-    - rvm: 2.4.3
+    - rvm: 2.4.4
       gemfile: gemfiles/rails_5.0.7.gemfile
       env: DB_ADAPTER=oracle_enhanced
-    - rvm: 2.4.3
+    - rvm: 2.4.4
       gemfile: gemfiles/rails_5.1.6.gemfile
       env: DB_ADAPTER=oracle_enhanced
 after_success: