diff --git a/.gitignore b/.gitignore
index daac230..55f127b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,12 @@
+*.mpy
+.idea
 __pycache__
 _build
 *.pyc
 .env
 build*
 bundles
-.vscode
\ No newline at end of file
+*.DS_Store
+.eggs
+dist
+**/*.egg-info
\ No newline at end of file
diff --git a/.travis.yml b/.travis.yml
index 3aea788..6691927 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,33 +1,33 @@
-# This is a common .travis.yml for generating library release zip files for
-# CircuitPython library releases using circuitpython-build-tools.
-# See https://github.com/adafruit/circuitpython-build-tools for detailed setup
-# instructions.
-
 dist: trusty
 sudo: false
 language: python
 python:
-    - "3.6"
-
+- '3.6'
 cache:
-    pip: true
-
+  pip: true
 deploy:
-  provider: releases
-  api_key: $GITHUB_TOKEN
+- provider: releases
+  api_key: "$GITHUB_TOKEN"
   file_glob: true
-  file: $TRAVIS_BUILD_DIR/bundles/*
+  file: "$TRAVIS_BUILD_DIR/bundles/*"
   skip_cleanup: true
   overwrite: true
   on:
     tags: true
-
+- provider: pypi
+  user: adafruit-travis
+  on:
+    tags: true
+  password:
+    secure: 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
 install:
-  - pip install circuitpython-build-tools Sphinx sphinx-rtd-theme
-  - pip install --force-reinstall pylint==1.9.2
-
+- pip install -r requirements.txt
+- pip install circuitpython-build-tools Sphinx sphinx-rtd-theme
+- pip install --force-reinstall pylint==1.9.2
 script:
-  - pylint adafruit_tca9548a.py
-  - ([[ ! -d "examples" ]] || pylint --disable=missing-docstring,invalid-name,bad-whitespace examples/*.py)
-  - circuitpython-build-bundles --filename_prefix adafruit-circuitpython-tca9548a --library_location .
-  - cd docs && sphinx-build -E -W -b html . _build/html
+- pylint adafruit_tca9548a.py
+- ([[ ! -d "examples" ]] || pylint --disable=missing-docstring,invalid-name,bad-whitespace
+  examples/*.py)
+- circuitpython-build-bundles --filename_prefix adafruit-circuitpython-tca9548a --library_location
+  .
+- cd docs && sphinx-build -E -W -b html . _build/html && cd ..
diff --git a/docs/conf.py b/docs/conf.py
index 9704fb2..3a7ccd5 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -20,7 +20,7 @@
 # Uncomment the below if you use native CircuitPython modules such as
 # digitalio, micropython and busio. List the modules you use. Without it, the
 # autodoc module docs will fail to generate with a warning.
-autodoc_mock_imports = ["micropython"]
+# autodoc_mock_imports = ["micropython"]
 
 
 intersphinx_mapping = {'python': ('https://docs.python.org/3.4', None),'BusDevice': ('https://circuitpython.readthedocs.io/projects/busdevice/en/latest/', None),'Register': ('https://circuitpython.readthedocs.io/projects/register/en/latest/', None),'CircuitPython': ('https://circuitpython.readthedocs.io/en/latest/', None)}
diff --git a/requirements.txt b/requirements.txt
index e69de29..6b4e64a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -0,0 +1 @@
+Adafruit-Blinka
\ No newline at end of file
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..d88e881
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,60 @@
+"""A setuptools based setup module.
+
+See:
+https://packaging.python.org/en/latest/distributing.html
+https://github.com/pypa/sampleproject
+"""
+
+# Always prefer setuptools over distutils
+from setuptools import setup, find_packages
+# To use a consistent encoding
+from codecs import open
+from os import path
+
+here = path.abspath(path.dirname(__file__))
+
+# Get the long description from the README file
+with open(path.join(here, 'README.rst'), encoding='utf-8') as f:
+    long_description = f.read()
+
+setup(
+    name='adafruit-circuitpython-tca9548a',
+
+    use_scm_version=True,
+    setup_requires=['setuptools_scm'],
+
+    description='CircuitPython driver for the TCA9548A I2C Multiplexer.',
+    long_description=long_description,
+    long_description_content_type='text/x-rst',
+
+    # The project's main homepage.
+    url='https://github.com/adafruit/Adafruit_CircuitPython_TCA9548A',
+
+    # Author details
+    author='Adafruit Industries',
+    author_email='circuitpython@adafruit.com',
+
+    install_requires=['Adafruit-Blinka'],
+
+    # Choose your license
+    license='MIT',
+
+    # See https://pypi.python.org/pypi?%3Aaction=list_classifiers
+    classifiers=[
+        'Development Status :: 3 - Alpha',
+        'Intended Audience :: Developers',
+        'Topic :: Software Development :: Libraries',
+        'Topic :: System :: Hardware',
+        'License :: OSI Approved :: MIT License',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.4',
+        'Programming Language :: Python :: 3.5',
+    ],
+
+    # What does your project relate to?
+    keywords='adafruit tca9548a i2c multiplexer hardware micropython circuitpython',
+
+    # You can just specify the packages manually here if your project is
+    # simple. Or you can use find_packages().
+    py_modules=['adafruit_tca9548a'],
+)