CI against newer rubies

or Travis would cause weird bundler failures

Author: amatsuda

.travis.yml

@@ -7,11 +7,11 @@ before_install: gem update bundler
 rvm:
   - 1.9.3
   - 2.0.0
-  - 2.1
-  - 2.2.7
-  - 2.3.4
-  - 2.4.1
-  - 2.5.1
+  - 2.1.10
+  - 2.2.10
+  - 2.3.8
+  - 2.4.5
+  - 2.5.3
 
 gemfile:
   - Gemfile
@@ -28,59 +28,59 @@ gemfile:
 matrix:
   exclude:
     - gemfile: gemfiles/Gemfile.rails-4.0.x
-      rvm: 2.4.1
+      rvm: 2.4.5
     - gemfile: gemfiles/Gemfile.rails-4.1.x
-      rvm: 2.4.1
+      rvm: 2.4.5
     - gemfile: gemfiles/Gemfile.rails-4.0.x
-      rvm: 2.5.1
+      rvm: 2.5.3
     - gemfile: gemfiles/Gemfile.rails-4.1.x
-      rvm: 2.5.1
+      rvm: 2.5.3
     - gemfile: Gemfile
       rvm: 1.9.3
     - gemfile: Gemfile
       rvm: 2.0.0
     - gemfile: Gemfile
-      rvm: 2.1
+      rvm: 2.1.10
     - gemfile: Gemfile
-      rvm: 2.2.7
+      rvm: 2.2.10
     - gemfile: Gemfile
       rvm: 2.3.4
     - gemfile: gemfiles/Gemfile.rails-5.0.x
       rvm: 1.9.3
     - gemfile: gemfiles/Gemfile.rails-5.0.x
       rvm: 2.0.0
     - gemfile: gemfiles/Gemfile.rails-5.0.x
-      rvm: 2.1
+      rvm: 2.1.10
     - gemfile: gemfiles/Gemfile.rails-5.0.x.sprockets-4.x
       rvm: 1.9.3
     - gemfile: gemfiles/Gemfile.rails-5.0.x.sprockets-4.x
       rvm: 2.0.0
     - gemfile: gemfiles/Gemfile.rails-5.0.x.sprockets-4.x
-      rvm: 2.1
+      rvm: 2.1.10
     - gemfile: gemfiles/Gemfile.rails-5.1.x
       rvm: 1.9.3
     - gemfile: gemfiles/Gemfile.rails-5.1.x
       rvm: 2.0.0
     - gemfile: gemfiles/Gemfile.rails-5.1.x
-      rvm: 2.1
+      rvm: 2.1.10
     - gemfile: gemfiles/Gemfile.rails-5.1.x.sprockets-4.x
       rvm: 1.9.3
     - gemfile: gemfiles/Gemfile.rails-5.1.x.sprockets-4.x
       rvm: 2.0.0
     - gemfile: gemfiles/Gemfile.rails-5.1.x.sprockets-4.x
-      rvm: 2.1
+      rvm: 2.1.10
     - gemfile: gemfiles/Gemfile.rails-5.2.x
       rvm: 1.9.3
     - gemfile: gemfiles/Gemfile.rails-5.2.x
       rvm: 2.0.0
     - gemfile: gemfiles/Gemfile.rails-5.2.x
-      rvm: 2.1
+      rvm: 2.1.10
     - gemfile: gemfiles/Gemfile.rails-5.2.x.sprockets-4.x
       rvm: 1.9.3
     - gemfile: gemfiles/Gemfile.rails-5.2.x.sprockets-4.x
       rvm: 2.0.0
     - gemfile: gemfiles/Gemfile.rails-5.2.x.sprockets-4.x
-      rvm: 2.1
+      rvm: 2.1.10
 
 notifications:
   email: false