.travis.yml in active_delivery-0.3.1 vs .travis.yml in active_delivery-0.4.0

@@ -12,20 +12,20 @@
 matrix:
   fast_finish: true
   include:
     - rvm: ruby-head
       gemfile: gemfiles/railsmaster.gemfile
-    - rvm: 2.5.3
+    - rvm: 2.7
       gemfile: Gemfile
-    - rvm: 2.6.0
+    - rvm: 2.6
       gemfile: Gemfile
-    - rvm: 2.5.3
+    - rvm: 2.5
       gemfile: Gemfile
+    - rvm: 2.5
+      gemfile: Gemfile
       env:
         - NO_RAILS=1
-    - rvm: 2.4.3
-      gemfile: Gemfile
-    - rvm: 2.4.3
+    - rvm: 2.5
       gemfile: gemfiles/rails42.gemfile
   allow_failures:
     - rvm: ruby-head
       gemfile: gemfiles/railsmaster.gemfile