diff --git a/.circleci/config.yml b/.circleci/config.yml
index 970945b7..e3c66ca2 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -4,7 +4,7 @@ executors:
   working_directory: /root/jpostcode-rb
   ruby_3_2:
     docker:
-      - image: rubylang/ruby:3.2.0-dev-focal
+      - image: rubylang/ruby:3.2-dev-jammy
         auth:
           username: smarthrinc
           password: $DOCKER_HUB_ACCESS_TOKEN
@@ -20,12 +20,6 @@ executors:
         auth:
           username: smarthrinc
           password: $DOCKER_HUB_ACCESS_TOKEN
-  ruby_2_7:
-    docker:
-      - image: rubylang/ruby:2.7-dev-bionic
-        auth:
-          username: smarthrinc
-          password: $DOCKER_HUB_ACCESS_TOKEN
 
 commands:
   install_system_dependencies:
@@ -51,7 +45,7 @@ commands:
       - run:
           name: Bundle gems
           command: |
-            gem install bundler -v 2.3.8 --no-document --force
+            gem install bundler -v 2.4.10 --no-document --force
             bundle install
   run_tests:
     description: "Run tests"
@@ -87,22 +81,6 @@ jobs:
       - submodule_sync
       - bundle_gems
       - run_tests
-  run_tests_on_ruby_2_7:
-    executor: ruby_2_7
-    steps:
-      - install_system_dependencies
-      - checkout
-      - submodule_sync
-      - bundle_gems
-      - run_tests
-  run_tests_on_ruby_2_6:
-    executor: ruby_2_6
-    steps:
-      - install_system_dependencies
-      - checkout
-      - submodule_sync
-      - bundle_gems
-      - run_tests
 
 workflows:
   version: 2
@@ -114,5 +92,3 @@ workflows:
           context: smarthr-dockerhub
       - run_tests_on_ruby_3_0:
           context: smarthr-dockerhub
-      - run_tests_on_ruby_2_7:
-          context: smarthr-dockerhub
diff --git a/.ruby-version b/.ruby-version
index 0aec50e6..be94e6f5 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-3.1.4
+3.2.2
diff --git a/Gemfile.lock b/Gemfile.lock
index fb17e56d..83a0ad29 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -119,4 +119,4 @@ DEPENDENCIES
   rubocop-rspec
 
 BUNDLED WITH
-   2.3.8
+   2.4.10