.travis.yml in sidekiq-prometheus-exporter-0.1.13 vs .travis.yml in sidekiq-prometheus-exporter-0.1.14

@@ -1,13 +1,14 @@
 os: linux
+dist: xenial
 language: ruby
 rvm:
   - 2.3.8
-  - 2.4.9
-  - 2.5.7
-  - 2.6.5
-  - 2.7.0
+  - 2.4.10
+  - 2.5.8
+  - 2.6.6
+  - 2.7.1
   - ruby-head
 notifications:
   email: false
 
 gemfile:
@@ -18,31 +19,41 @@
   - gemfiles/sidekiq_6.x.gemfile
   - gemfiles/sidekiq_head.gemfile
 
 jobs:
   include:
-    - rvm: "2.6.5"
+    - rvm: "2.6.6"
       gemfile: "gemfiles/sidekiq_5.x.gemfile"
       env:
         - CODECLIMATE_REPORT=true
   exclude:
     - rvm: "2.3.8"
       gemfile: "gemfiles/sidekiq_6.x.gemfile"
-    - rvm: "2.4.9"
+    - rvm: "2.4.10"
       gemfile: "gemfiles/sidekiq_6.x.gemfile"
     - rvm: "2.3.8"
       gemfile: "gemfiles/sidekiq_head.gemfile"
-    - rvm: "2.4.9"
+    - rvm: "2.4.10"
       gemfile: "gemfiles/sidekiq_head.gemfile"
-    - rvm: "2.5.7"
+    - rvm: "2.5.8"
       gemfile: "gemfiles/sidekiq_head.gemfile"
-    - rvm: "2.6.5"
+    - rvm: "2.6.6"
       gemfile: "gemfiles/sidekiq_head.gemfile"
-    - rvm: "2.7.0"
+    - rvm: "2.7.1"
       gemfile: "gemfiles/sidekiq_head.gemfile"
   allow_failures:
     - rvm: "ruby-head"
+      gemfile: "gemfiles/sidekiq_3.3.1.gemfile"
+    - rvm: "ruby-head"
+      gemfile: "gemfiles/sidekiq_3.x.gemfile"
+    - rvm: "ruby-head"
+      gemfile: "gemfiles/sidekiq_4.x.gemfile"
+    - rvm: "ruby-head"
+      gemfile: "gemfiles/sidekiq_5.x.gemfile"
+    - rvm: "ruby-head"
+      gemfile: "gemfiles/sidekiq_6.x.gemfile"
+    - rvm: "ruby-head"
       gemfile: "gemfiles/sidekiq_head.gemfile"
 
 cache:
   directories:
     - ./vendor
@@ -61,11 +72,13 @@
     fi
   - if [ ! -z "$CODECLIMATE_REPORT" ]; then
     echo "Start recording Codeclimate test coverage";
     ./vendor/cc-test-reporter before-build;
     fi
+
 script:
   - bundle exec rake spec
+
 after_success:
   - if [ ! -z "$CODECLIMATE_REPORT" ]; then
     echo "Finish recording Codeclimate test coverage";
     ./vendor/cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT;
     fi