diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
new file mode 100644
index 0000000..63de745
--- /dev/null
+++ b/.github/workflows/pypi-publish.yml
@@ -0,0 +1,76 @@
+name: Publish to PyPI
+on:
+  push:
+  pull_request:
+    branches:
+      - main
+jobs:
+  build:
+    name: Build Distribution
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.10'
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install build
+        python -m pip install -r requirements.txt
+    - name: Build distribution in binary and source tarball
+      run: python3 -m build
+    - name: Store the distribution packages
+      uses: actions/upload-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+
+  pypi-publish:
+    name: Publish release to PyPI
+    if: startsWith(github.ref, 'refs/tags/')  # only publish to PyPI on tag pushes
+    needs:
+    - build
+    runs-on: ubuntu-latest
+    environment:
+      name: pypi
+      url: https://pypi.org/p/CSchwabPy
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+    steps:
+    # retrieve your distributions here
+    - name: Download distribution packages
+      uses: actions/download-artifact@v3
+      with:
+        name: python-package-distributions
+        path: dist/
+
+    - name: Publish package distributions to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+
+    # - name: Sign the dists with Sigstore
+    #   uses: sigstore/gh-action-sigstore-python@v2.1.1
+    #   with:
+    #     inputs: >-
+    #       ./dist/*.tar.gz
+    #       ./dist/*.whl
+    # - name: Create GitHub Release
+    #   env:
+    #     GITHUB_TOKEN: ${{ github.token }}
+    #   run: >-
+    #     gh release create
+    #     '${{ github.ref_name }}'
+    #     --repo '${{ github.repository }}'
+    #     --notes ""
+    # - name: Upload artifact signatures to GitHub Release
+    #   env:
+    #     GITHUB_TOKEN: ${{ github.token }}
+    #   # Upload to GitHub Release using the `gh` CLI.
+    #   # `dist/` contains the built packages, and the
+    #   # sigstore-produced signatures and certificates.
+    #   run: >-
+    #     gh release upload
+    #     '${{ github.ref_name }}' dist/**
+    #     --repo '${{ github.repository }}'
diff --git a/cschwabpy/SchwabAsyncClient.py b/cschwabpy/SchwabAsyncClient.py
index cb941e2..c77e063 100644
--- a/cschwabpy/SchwabAsyncClient.py
+++ b/cschwabpy/SchwabAsyncClient.py
@@ -10,7 +10,6 @@
 import time
 import httpx
 import re
-import os
 import base64
 
 
diff --git a/cschwabpy/models/__init__.py b/cschwabpy/models/__init__.py
index ec5a72c..cfb6bce 100644
--- a/cschwabpy/models/__init__.py
+++ b/cschwabpy/models/__init__.py
@@ -79,7 +79,7 @@ class OptionChainQueryFilter(QueryFilterBase):
     symbol: str
     contractType: OptionContractType = OptionContractType.ALL
     strikeCount: int = (
-        25  # the number of strikes to  return above or below the at-the-money price
+        40  # the number of strikes to  return above or below the at-the-money price
     )
     includeUnderlyingQuote: bool = True
     strategy: OptionContractStrategy = OptionContractStrategy.ANALYTICAL
diff --git a/pyproject.toml b/pyproject.toml
index 3a1c827..6a53671 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ version = "0.1.0"
 description = ""
 authors = ["Tony Wang <ivytony@gmail.com>"]
 readme = "README.md"
-packages = [{include = "cschwab"}]
+packages = [{include = "cschwabpy"}]
 
 [tool.poetry.dependencies]
 python = "^3.10.13"
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..d8fe80b
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,5 @@
+[pytest]
+minversion = 7.0
+pythonpath = schwabpy
+testpaths =
+    tests
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..0ea84d1
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,16 @@
+from setuptools import setup
+
+with open("README.md") as file:
+    long_description = file.read()
+
+setup(
+    name="CSchwabPy",
+    version="0.1.0",
+    description="Charles Schwab Stock & Option Trade API Client for Python.",
+    long_description=long_description,
+    long_description_content_type="text/markdown",
+    author="Tony W",
+    author_email="ivytony@gmail.com",
+    url="https://pypi.org/project/CSchwabPy/",
+    keywords=["python", "CSchwabPy", "Charles Schwab", "Stock", "Option", "Trade"],
+)