diff --git a/.github/workflows/auto-merge.yml b/.github/workflows/auto-merge.yml
index 9473dae4e..61a06b478 100644
--- a/.github/workflows/auto-merge.yml
+++ b/.github/workflows/auto-merge.yml
@@ -18,25 +18,16 @@ name: auto-merge HEAD to BASE
 on:
   pull_request_target:
     branches:
-    - branch-24.08
+      - branch-*
     types: [closed]
 
 jobs:
   auto-merge:
     if: github.event.pull_request.merged == true
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          ref: branch-24.08 # force to fetch from latest upstream instead of PR ref
-
-      - name: auto-merge job
-        uses: ./.github/workflows/auto-merge
-        env:
-          OWNER: NVIDIA
-          REPO_NAME: spark-rapids-examples
-          HEAD: branch-24.08
-          BASE: branch-24.10
-          AUTOMERGE_TOKEN: ${{ secrets.AUTOMERGE_TOKEN }} # use to merge PR
-
+    uses: NVIDIA/spark-rapids-common/.github/workflows/auto-merge.yml@main
+    with:
+      owner: ${{ github.repository_owner }}
+      repo: spark-rapids-examples
+      branch: ${{ github.event.pull_request.base.ref }}
+    secrets:
+      token: ${{ secrets.AUTOMERGE_TOKEN }}
diff --git a/.github/workflows/auto-merge/Dockerfile b/.github/workflows/auto-merge/Dockerfile
deleted file mode 100644
index e98b1a487..000000000
--- a/.github/workflows/auto-merge/Dockerfile
+++ /dev/null
@@ -1,22 +0,0 @@
-# Copyright (c) 2022, NVIDIA CORPORATION.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-FROM python:alpine
-
-WORKDIR /
-COPY automerge .
-RUN pip install requests && chmod +x /automerge
-
-# require envs: OWNER,REPO_NAME,HEAD,BASE,GITHUB_TOKEN
-ENTRYPOINT ["/automerge"]
diff --git a/.github/workflows/auto-merge/action.yml b/.github/workflows/auto-merge/action.yml
deleted file mode 100644
index ee5577313..000000000
--- a/.github/workflows/auto-merge/action.yml
+++ /dev/null
@@ -1,20 +0,0 @@
-# Copyright (c) 2022, NVIDIA CORPORATION.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-name: 'auto-merge action'
-description: 'auto-merge HEAD to BASE'
-runs:
-  using: 'docker'
-  image: 'Dockerfile'
-
diff --git a/.github/workflows/auto-merge/automerge b/.github/workflows/auto-merge/automerge
deleted file mode 100755
index 7ea9b1bd9..000000000
--- a/.github/workflows/auto-merge/automerge
+++ /dev/null
@@ -1,137 +0,0 @@
-#!/usr/bin/env python
-
-# Copyright (c) 2022, NVIDIA CORPORATION.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""A auto-merge tool
-
-Create a PR to merge HEAD to BASE branch.
-NOTE:
-    The generated PR should be automatically merged if no conflict. Otherwise, manual operation will be required.
-"""
-
-import os
-import sys
-import time
-
-import requests
-
-# ENV
-OWNER = os.environ.get('OWNER')
-assert OWNER, 'env OWNER should not be empty'
-REPO_NAME = os.environ.get('REPO_NAME')
-assert REPO_NAME, 'env REPO_NAME should not be empty'
-HEAD = os.environ.get('HEAD')
-assert HEAD, 'env HEAD should not be empty'
-BASE = os.environ.get('BASE')
-assert BASE, 'env BASE should not be empty'
-AUTOMERGE_TOKEN = os.environ.get('AUTOMERGE_TOKEN')
-assert AUTOMERGE_TOKEN, 'env AUTOMERGE_TOKEN should not be empty'
-# static
-API_URL = 'https://api.github.com'
-AUTH_HEADERS = {
-    'Authorization': 'token ' + AUTOMERGE_TOKEN
-}
-
-
-def create():
-    url = f'{API_URL}/repos/{OWNER}/{REPO_NAME}/pulls'
-    params = {
-        'title': f'[auto-merge] {HEAD} to {BASE} [skip ci] [bot]',
-        'head': HEAD,
-        'base': BASE,
-        'body': f'auto-merge triggered by github actions on `{HEAD}` to create a PR keeping `{BASE}` up-to-date. If '
-                'this PR is unable to be merged due to conflicts, it will remain open until manually fix.',
-        'maintainer_can_modify': True
-    }
-    r = requests.post(url, headers=AUTH_HEADERS, json=params)
-    if r.status_code == 201:
-        print('SUCCESS - create PR')
-        pull = r.json()
-        number = str(pull['number'])
-        sha = str(pull['head']['sha'])
-        return number, sha, False
-    if r.status_code == 422:  # early-terminate if no commits between HEAD and BASE
-        print('SUCCESS - No commits')
-        print(r.json())
-        return '', '', True
-    # FAILURE
-    print('FAILURE - create PR')
-    print(f'status code: {r.status_code}')
-    print(r.json())
-    sys.exit(1)
-
-
-def auto_merge(number, sha):
-    url = f'{API_URL}/repos/{OWNER}/{REPO_NAME}/pulls/{number}/merge'
-    params = {
-        'sha': sha,
-        'merge_method': 'merge'
-    }
-    r = requests.put(url, headers=AUTH_HEADERS, json=params)
-    if r.status_code == 200:
-        comment(number, '**SUCCESS** - auto-merge')
-        print('SUCCESS - auto-merge')
-        sys.exit(0)
-    else:
-        print('FAILURE - auto-merge')
-        comment(number=number, content=f"""**FAILURE** - Unable to auto-merge. Manual operation is required.
-```
-{r.json()}
-```
-
-Please use the following steps to fix the merge conflicts manually:
-```
-# Assume upstream is NVIDIA/spark-rapids-examples remote
-git fetch upstream {HEAD} {BASE}
-git checkout -b fix-auto-merge-conflict-{number} upstream/{BASE}
-git merge upstream/{HEAD}
-# Fix any merge conflicts caused by this merge
-git commit -am "Merge {HEAD} into {BASE}"
-git push <personal fork> fix-auto-merge-conflict-{number}
-# Open a PR targets NVIDIA/spark-rapids-examples {BASE}
-```
-**IMPORTANT:** Before merging this PR, be sure to change the merging strategy to `Create a merge commit` (repo admin only).
-
-Once this PR is merged, the auto-merge PR should automatically be closed since it contains the same commit hashes
-""")
-        print(f'status code: {r.status_code}')
-        print(r.json())
-        sys.exit(1)
-
-
-def comment(number, content):
-    url = f'{API_URL}/repos/{OWNER}/{REPO_NAME}/issues/{number}/comments'
-    params = {
-        'body': content
-    }
-    r = requests.post(url, headers=AUTH_HEADERS, json=params)
-    if r.status_code == 201:
-        print('SUCCESS - create comment')
-    else:
-        print('FAILURE - create comment')
-        print(f'status code: {r.status_code}')
-        print(r.json())
-
-
-def main():
-    number, sha, term = create()
-    if term:
-        sys.exit(0)
-
-    auto_merge(number, sha)
-
-
-if __name__ == '__main__':
-    main()