.circleci/config.yml in nxt_pipeline-0.4.0 vs .circleci/config.yml in nxt_pipeline-0.4.1

@@ -5,20 +5,24 @@
 version: 2
 jobs:
   build:
     docker:
       # specify the version you desire here
-      - image: circleci/ruby:2.6.1-node
+      - image: circleci/ruby:2.7.0-node
+    environment:
+      BUNDLER_VERSION: 2.1.4
 
     working_directory: ~/repo
 
     steps:
       - checkout
 
       # Download and cache dependencies
       - restore_cache:
           keys:
             - v1-dependencies-{{ checksum "Gemfile.lock" }}
+
+      - run: gem install bundler --version $BUNDLER_VERSION
 
       - run:
           name: install dependencies
           command: |
             bundle install --jobs=4 --retry=3 --path vendor/bundle