.circleci/config.yml in deepl-rb-0.0.1 vs .circleci/config.yml in deepl-rb-1.0.0

@@ -1,10 +1,10 @@
 version: 2
 jobs:
   build:
     working_directory: ~/deepl-rb
     docker:
-    - image: circleci/ruby:2.4-node
+    - image: circleci/ruby:2.1
     steps:
     - checkout
 
     # Restore bundle cache
     - type: cache-restore