.circleci/config.yml in socrates-0.1.21 vs .circleci/config.yml in socrates-0.1.22

@@ -2,21 +2,24 @@
 jobs:
   build:
     parallelism: 1
     working_directory: ~/socrates
     docker:
-      - image: circleci/ruby:2.6.1
+      - image: circleci/ruby:2.6.3
     steps:
       - checkout
 
       # Restore bundle cache, with fallbacks to increase the likeliness of a cache hit
       - restore_cache:
           keys:
             - gem-cache-{{ arch }}-{{ .Branch }}
             - gem-cache
 
       # Bundle install dependencies and remove any unused gems
-      - run: bundle install --path vendor/bundle --jobs=4 && bundle clean --force
+      - run:
+          command: |
+            gem install bundler
+            bundle install --path vendor/bundle --jobs=4 && bundle clean --force
 
       # Store bundle cache
       - save_cache:
           key: gem-cache-{{ arch }}-{{ .Branch }}-{{ checksum "Gemfile.lock" }}
           paths: