diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 570266547..30c78a4ca 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -39,10 +39,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v2
-      - name: Set up Python 3.6
+      - name: Set up Python 3.11
         uses: actions/setup-python@v2
         with:
-          python-version: '3.6'
+          python-version: '3.11'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
diff --git a/README.md b/README.md
index dd6e2821f..16f1d01a9 100644
--- a/README.md
+++ b/README.md
@@ -22,11 +22,17 @@ Getting Started Docs: <https://developer.box.com/guides/tooling/sdks/python/>
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 
+- [Deprecation notice](#deprecation-notice)
+- [Box Python SDK](#box-python-sdk)
 - [Installing](#installing)
 - [Getting Started](#getting-started)
 - [Authorization](#authorization)
   - [Server-to-Server Auth with JWT](#server-to-server-auth-with-jwt)
   - [Traditional 3-legged OAuth2](#traditional-3-legged-oauth2)
+    - [Get the Authorization URL](#get-the-authorization-url)
+    - [Authenticate (Get Access/Refresh Tokens)](#authenticate-get-accessrefresh-tokens)
+    - [Create an Authenticated Client](#create-an-authenticated-client)
+    - [Instantiate a Client Given an Access and a Refresh Token](#instantiate-a-client-given-an-access-and-a-refresh-token)
   - [Other Auth Options](#other-auth-options)
 - [Usage Documentation](#usage-documentation)
   - [Making API Calls Manually](#making-api-calls-manually)
@@ -451,8 +457,7 @@ tox
 
 The tox tests include code style checks via pep8 and pylint.
 
-The tox tests are configured to run on Python 3.6, 3.7, 3.8, 3.9, 3.10, 3.11
-and PyPy (our CI is configured to run PyPy tests on pypy-3.6, pypy-3.7, pypy-3.8).
+The tox tests are configured to run on Python 3.6, 3.7, 3.8, 3.9, 3.10, 3.11.
 
 # Questions, Bugs, and Feature Requests?
 
diff --git a/setup.py b/setup.py
index 8c9dba0db..6245fc7db 100644
--- a/setup.py
+++ b/setup.py
@@ -20,7 +20,6 @@
     'Programming Language :: Python :: 3.11',
     'Programming Language :: Python :: 3.12',
     'Programming Language :: Python :: Implementation :: CPython',
-    'Programming Language :: Python :: Implementation :: PyPy',
     'Operating System :: OS Independent',
     'Operating System :: POSIX',
     'Operating System :: Microsoft :: Windows',
diff --git a/tox.ini b/tox.ini
index 88c7a32dd..182803998 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,11 +8,8 @@ envlist =
   pycodestyle,
   pylint,
   py36,
-  pypy36,
   py37,
-  pypy37,
   py38,
-  pypy38,
   py39,
   py310,
   py311,
@@ -22,11 +19,8 @@ envlist =
 [gh-actions]
 python =
     3.6: py36, pycodestyle, pylint
-    pypy-3.6: pypy36
     3.7: py37
-    pypy-3.7: pypy37
     3.8: py38
-    pypy-3.8: pypy38
     3.9: py39
     3.10: py310
     3.11: py311
@@ -53,34 +47,33 @@ deps =
   -rrequirements-test.txt
 
 [testenv:coverage]
-basepython = python3.6
+basepython = python3.11
 commands =
     py.test --cov boxsdk --cov-report term-missing test/unit test/integration
 deps = 
   coverage
   -rrequirements-test.txt
 
-[testenv:py36-build]
+[testenv:py311-build]
 description = Build the source and binary wheel packages for distribution.
 pypi_dist_dir = {toxinidir}/pypi-dist
 commands =
-    rm -rf "{[testenv:py36-build]pypi_dist_dir}"
+    rm -rf "{[testenv:py311-build]pypi_dist_dir}"
     {envpython} setup.py -vv \
-        sdist --formats=gztar   --keep-temp --dist-dir="{[testenv:py36-build]pypi_dist_dir}" \
-        bdist_wheel             --keep-temp --dist-dir="{[testenv:py36-build]pypi_dist_dir}"
+        sdist --formats=gztar   --keep-temp --dist-dir="{[testenv:py311-build]pypi_dist_dir}" \
+        bdist_wheel             --keep-temp --dist-dir="{[testenv:py311-build]pypi_dist_dir}"
 skip_install = True
 sitepackages = False
 recreate = True
 deps =
     wheel
-    setuptools
     virtualenv<20.22.0
 allowlist_externals = rm
 
-[testenv:py36-upload]
+[testenv:py311-upload]
 description = Upload packages to PyPI.
 commands =
-    twine upload --config-file="{toxinidir}/.pypirc" {posargs} {[testenv:py36-build]pypi_dist_dir}/*
+    twine upload --config-file="{toxinidir}/.pypirc" {posargs} {[testenv:py311-build]pypi_dist_dir}/*
 skip_install = True
 sitepackages = False
 recreate = True