diff --git a/.github/workflows/2.5.yml b/.github/workflows/2.5.yml
deleted file mode 100644
index 27fc3c528..000000000
--- a/.github/workflows/2.5.yml
+++ /dev/null
@@ -1,47 +0,0 @@
-name: Ruby 2.5
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - main
-  workflow_dispatch:
-    branches:
-      - '*'
-jobs:
-  tests:
-    env:
-      TEST_ES_SERVER: http://localhost:9200
-      RAILS_VERSIONS: '5.0,6.0'
-    strategy:
-      fail-fast: false
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Increase system limits
-      run: |
-        sudo swapoff -a
-        sudo sysctl -w vm.swappiness=1
-        sudo sysctl -w fs.file-max=262144
-        sudo sysctl -w vm.max_map_count=262144
-    - uses: opensearch-project/opensearch-ruby/.github/actions/opensearch@main
-      with:
-        cluster-version: 2
-    - uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: 2.5
-    - name: Bundle
-      run: |
-        sudo apt-get install libsqlite3-dev
-        gem install bundler
-        bundle install
-        bundle exec rake bundle:clean
-        bundle exec rake bundle:install
-    - name: Test opensearch-rails
-      run: cd opensearch-rails && bundle exec rake test:all
-    - name: Test opensearch-persistence
-      run: cd opensearch-persistence && bundle exec rake test:all
-    - name: Test opensearch-model
-      run: cd opensearch-model && bundle exec rake test:all
-
diff --git a/.github/workflows/2.6.yml b/.github/workflows/2.6.yml
deleted file mode 100644
index aa11e8573..000000000
--- a/.github/workflows/2.6.yml
+++ /dev/null
@@ -1,46 +0,0 @@
-name: Ruby 2.6
-on:
-  push:
-    branches:
-      - main
-  pull_request:
-    branches:
-      - main
-  workflow_dispatch:
-    branches:
-      - '*'
-jobs:
-  tests:
-    env:
-      TEST_ES_SERVER: http://localhost:9200
-      RAILS_VERSIONS: '5.0,6.0'
-    strategy:
-      fail-fast: false
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-    - name: Increase system limits
-      run: |
-        sudo swapoff -a
-        sudo sysctl -w vm.swappiness=1
-        sudo sysctl -w fs.file-max=262144
-        sudo sysctl -w vm.max_map_count=262144
-    - uses: opensearch-project/opensearch-ruby/.github/actions/opensearch@main
-      with:
-        cluster-version: 2
-    - uses: ruby/setup-ruby@v1
-      with:
-        ruby-version: 2.6
-    - name: Bundle
-      run: |
-        sudo apt-get install libsqlite3-dev
-        gem install bundler
-        bundle install
-        bundle exec rake bundle:clean
-        bundle exec rake bundle:install
-    - name: Test opensearch-rails
-      run: cd opensearch-rails && bundle exec rake test:all
-    - name: Test opensearch-persistence
-      run: cd opensearch-persistence && bundle exec rake test:all
-    - name: Test opensearch-model
-      run: cd opensearch-model && bundle exec rake test:all
diff --git a/.github/workflows/2.7.yml b/.github/workflows/2.7.yml
index 69b5cf3e8..d5da70cfe 100644
--- a/.github/workflows/2.7.yml
+++ b/.github/workflows/2.7.yml
@@ -13,7 +13,7 @@ jobs:
   tests:
     env:
       TEST_ES_SERVER: http://localhost:9200
-      RAILS_VERSIONS: '5.0,6.0'
+      RAILS_VERSIONS: '6.1,7.1'
     strategy:
       fail-fast: false
     runs-on: ubuntu-latest
@@ -34,7 +34,7 @@ jobs:
     - name: Bundle
       run: |
         sudo apt-get install libsqlite3-dev
-        gem install bundler
+        gem install bundler -v 2.4.22
         bundle install
         bundle exec rake bundle:clean
         bundle exec rake bundle:install
diff --git a/.github/workflows/2.4.yml b/.github/workflows/3.2.yml
similarity index 94%
rename from .github/workflows/2.4.yml
rename to .github/workflows/3.2.yml
index 4377af149..8bae5452d 100644
--- a/.github/workflows/2.4.yml
+++ b/.github/workflows/3.2.yml
@@ -1,4 +1,4 @@
-name: Ruby 2.4
+name: Ruby 3.2
 on:
   push:
     branches:
@@ -13,7 +13,7 @@ jobs:
   tests:
     env:
       TEST_ES_SERVER: http://localhost:9200
-      RAILS_VERSIONS: '5.0'
+      RAILS_VERSIONS: '7.1'
     strategy:
       fail-fast: false
     runs-on: ubuntu-latest
@@ -30,7 +30,7 @@ jobs:
         cluster-version: 2
     - uses: ruby/setup-ruby@v1
       with:
-        ruby-version: 2.4
+        ruby-version: 3.2
     - name: Bundle
       run: |
         sudo apt-get install libsqlite3-dev