.circleci/config.yml in avro-builder-2.0.0 vs .circleci/config.yml in avro-builder-2.1.0

@@ -1,10 +1,10 @@
 version: 2.1
 jobs:
   lint:
     docker:
-      - image: salsify/ruby_ci:2.7.7
+      - image: cimg/ruby:2.7.7
     working_directory: ~/avro-builder
     steps:
       - checkout
       - restore_cache:
           keys:
@@ -30,11 +30,11 @@
       gemfile:
         type: string
       ruby-version:
         type: string
     docker:
-      - image: salsify/ruby_ci:<< parameters.ruby-version >>
+      - image: cimg/ruby:<< parameters.ruby-version >>
     environment:
       CIRCLE_TEST_REPORTS: "test-results"
       BUNDLE_GEMFILE: << parameters.gemfile >>
     working_directory: ~/avro-builder
     steps:
@@ -67,13 +67,15 @@
       - lint
       - test:
           matrix:
             parameters:
               gemfile:
-                - "gemfiles/avro_1.9.gemfile"
-                - "gemfiles/avro_1.10.gemfile"
-                - "gemfiles/avro_1.11.gemfile"
+                - gemfiles/avro_1.9.gemfile
+                - gemfiles/avro_1.10.gemfile
+                - gemfiles/avro_1.11.gemfile
+                - gemfiles/avro_1.12.gemfile
               ruby-version:
-              - "2.7.7"
-              - "3.0.5"
-              - "3.1.3"
-              - "3.2.0"
+                - 2.7.7
+                - 3.0.5
+                - 3.1.3
+                - 3.2.0
+                - 3.3.0