diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4d88d4b9..32530cd2 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -49,36 +49,27 @@ commands:
             export LANGUAGE=en_US.UTF-8
 
 jobs:
-  build-ruby-2_3:
-    docker:
-      - image: circleci/ruby:2.3.8
-
-    working_directory: ~/repo
-    steps:
-      - build
-      - test
-
-  build-ruby-2_4:
+  build-ruby-2_5:
     docker:
-      - image: circleci/ruby:2.4.5
+      - image: circleci/ruby:2.5
 
     working_directory: ~/repo
     steps:
       - build
       - test
 
-  build-ruby-2_5:
+  build-ruby-2_6:
     docker:
-      - image: circleci/ruby:2.5.5
+      - image: circleci/ruby:2.6
 
     working_directory: ~/repo
     steps:
       - build
       - test
 
-  build-ruby-2_6:
+  build-ruby-2_7:
     docker:
-      - image: circleci/ruby:2.6.4
+      - image: circleci/ruby:2.7
 
     working_directory: ~/repo
     steps:
@@ -87,7 +78,7 @@ jobs:
 
   build-jruby:
     docker:
-      - image: circleci/jruby:9.2.12.0
+      - image: circleci/jruby:9.2
 
     working_directory: ~/repo
     steps:
@@ -117,19 +108,14 @@ workflows:
                 - master
 
     jobs:
-      - build-ruby-2_3
-      - build-ruby-2_4
       - build-ruby-2_5
       - build-ruby-2_6
+      - build-ruby-2_7
 
   build:
     jobs:
-      - build-ruby-2_3
-      - build-ruby-2_4
       - build-ruby-2_5
       - build-ruby-2_6
+      - build-ruby-2_7
       - build-ruby-latest
       - build-jruby
-
-
-