.circleci/config.yml in calculated_attributes-0.3.0 vs .circleci/config.yml in calculated_attributes-0.4.0

@@ -1,20 +1,20 @@
 version: 2
 jobs:
   test:
     working_directory: ~/calculated_attributes
     docker:
-      - image: circleci/ruby:2.3
+      - image: circleci/ruby:2.5
         environment:
           GEM_HOME: ~/calculated_attributes/vendor/bundle
     steps:
       - checkout
       - restore_cache:
           key: dependency-cache-{{ checksum "calculated_attributes.gemspec" }}
       - run:
           name: bundle-install
-          command: bundle check || bundle install --jobs=4 --retry=3 
+          command: bundle check || bundle install --jobs=4 --retry=3
       - run:
           name: appraisal-install
           command: bundle exec appraisal install
       - save_cache:
           key: dependency-cache-{{ checksum "calculated_attributes.gemspec" }}
@@ -24,10 +24,10 @@
           name: appraisal-rspec
           command: bundle exec appraisal rspec
       - run:
           name: rubocop
           command: bundle exec rubocop
-      
+
 workflows:
   version: 2
   test:
     jobs:
       - test