.circleci/config.yml in migration-lock-timeout-1.2.0 vs .circleci/config.yml in migration-lock-timeout-1.3.0

@@ -1,10 +1,10 @@
 version: 2
 jobs:
   build:
     # working_directory: ~/appName
     docker:
-      - image: ruby:2.3.3
+      - image: ruby:2.5.5
         environment:
           PG_HOST: localhost
           PG_USER: ubuntu
       - image: circleci/postgres:9.5-ram
         environment: