diff --git a/.github/workflows/ci-gh-actions.yml b/.github/workflows/ci-gh-actions.yml
index 433a38d..0c28174 100644
--- a/.github/workflows/ci-gh-actions.yml
+++ b/.github/workflows/ci-gh-actions.yml
@@ -8,7 +8,7 @@ jobs:
         strategy:
             fail-fast: true
             matrix:
-                python-version: [3.9]
+                python-version: [3.12]
         steps:
             - uses: actions/checkout@v2
               with:
@@ -27,7 +27,7 @@ jobs:
         strategy:
             fail-fast: true
             matrix:
-                python-version: [3.6, 3.7, 3.8, 3.9]
+                python-version: [3.8, 3.9, 3.10.13, 3.11, 3.12]
         steps:
             - uses: actions/checkout@v2
               with:
@@ -47,7 +47,7 @@ jobs:
         strategy:
             fail-fast: true
             matrix:
-                python-version: [3.9]
+                python-version: [3.12]
         steps:
             - uses: actions/checkout@v2
               with:
diff --git a/README.rst b/README.rst
index 0704187..eee9a80 100644
--- a/README.rst
+++ b/README.rst
@@ -28,6 +28,9 @@ Installation is simple:
 
    pip install stackinabox
 
+.. note:: Python 2.7 is no longer supported. Pypy implements Python2.7 compatibility, however, the `setuptools` package
+    may cause issues if you cannot install a version that supports Python2.7.
+
 =====
 Goals
 =====
@@ -40,7 +43,7 @@ Goals
   - you should not necessarily need to know the ins and outs of each service
   - you should be able to register what you need (f.e authentication, storage) and have it just work
   
-- should be useable on systems like Travis (https://travis-ci.org/)
+- should be useable on systems like Travis (https://travis-ci.org/), GitHub Actions, etc
 - should be light on requirements
 
   - we do not want to bloat your testing to fit our needs
diff --git a/setup.cfg b/setup.cfg
index a8f6a7d..225f0d9 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,3 +7,33 @@ cover-erase=1
 cover-inclusive=true
 cover-branches=true
 cover-min-percentage=92
+
+[metadata]
+name = stackinabox
+url = https://github.com/TestInABox/stackInABox
+version = attr: stackinabox.version
+author = Benjamen R. Meyer
+author_email = bm_witness@yahoo.com
+description = RESTful API Testing Suite
+long_description = file: README.rst, LICENSE, CONTRIBUTING.rst
+license = Apache License 2.0
+classifiers =
+    Intended Audience :: Developers
+    License :: OSI Approved :: Apache Software License
+    Topic :: Software Development :: Testing
+
+[options]
+zip_safe = True
+packages = find:
+install_requires =
+    six
+
+[options.extras_require]
+httpretty = httpretty==1.1.4
+requests-mock = requests-mock
+responses = responses>=0.4.0
+
+[options.packages.find]
+exclude =
+    test*
+    stackinabox/tests
diff --git a/setup.py b/setup.py
index 3aa0fca..6068493 100644
--- a/setup.py
+++ b/setup.py
@@ -1,27 +1,3 @@
-import sys
-from setuptools import setup, find_packages
+from setuptools import setup
 
-REQUIRES = ['six']
-EXTRA_REQUIRES = {
-    'httpretty': ['httpretty==0.8.6'],
-    'requests-mock': ['requests-mock'],
-    'responses': ['responses>=0.4.0']
-}
-
-setup(
-    name='stackinabox',
-    version='0.13',
-    description='RESTful API Testing Suite',
-    license='Apache License 2.0',
-    url='https://github.com/TestInABox/stackInABox',
-    author='Benjamen R. Meyer',
-    author_email='bm_witness@yahoo.com',
-    install_requires=REQUIRES,
-    extras_require=EXTRA_REQUIRES,
-    test_suite='stackinabox',
-    packages=find_packages(exclude=['tests*', 'stackinabox/tests']),
-    zip_safe=True,
-    classifiers=["Intended Audience :: Developers",
-                 "License :: OSI Approved :: MIT License",
-                 "Topic :: Software Development :: Testing"],
-)
+setup()
diff --git a/stackinabox/util/httpretty/decorator.py b/stackinabox/util/httpretty/decorator.py
index 5281982..f195a49 100644
--- a/stackinabox/util/httpretty/decorator.py
+++ b/stackinabox/util/httpretty/decorator.py
@@ -4,7 +4,6 @@
 try:
     import collections.abc as collections
 except ImportError:
-    # Py2.7 Support
     import collections
 import functools
 import logging
diff --git a/stackinabox/util/requests_mock/decorator.py b/stackinabox/util/requests_mock/decorator.py
index b74f793..cf5e773 100644
--- a/stackinabox/util/requests_mock/decorator.py
+++ b/stackinabox/util/requests_mock/decorator.py
@@ -4,7 +4,6 @@
 try:
     import collections.abc as collections
 except ImportError:
-    # Py2.7 Support
     import collections
 import functools
 import logging
diff --git a/stackinabox/util/responses/core.py b/stackinabox/util/responses/core.py
index 6435392..712e837 100644
--- a/stackinabox/util/responses/core.py
+++ b/stackinabox/util/responses/core.py
@@ -75,7 +75,8 @@ def registration(uri):
     for method in METHODS:
         responses.add_callback(method,
                                regex,
-                               callback=responses_callback)
+                               callback=responses_callback,
+                               content_type=None)
 
 
 @deprecator.DeprecatedInterface("responses_registration", "registration")
diff --git a/stackinabox/util/responses/decorator.py b/stackinabox/util/responses/decorator.py
index 22ca346..793129c 100644
--- a/stackinabox/util/responses/decorator.py
+++ b/stackinabox/util/responses/decorator.py
@@ -4,7 +4,6 @@
 try:
     import collections.abc as collections
 except ImportError:
-    # Py2.7 Support
     import collections
 
 import functools
diff --git a/tests/test_version.py b/tests/test_version.py
index 87078fe..45922ae 100644
--- a/tests/test_version.py
+++ b/tests/test_version.py
@@ -1,5 +1,6 @@
 import os
 import os.path
+import subprocess
 import sys
 
 import stackinabox
@@ -11,7 +12,6 @@ class TestVersionMatch(base.TestCase):
     def setUp(self):
         super(TestVersionMatch, self).setUp()
         self.local_directory = os.path.dirname(__file__)
-        self.setup_py = '{0}/../setup.py'.format(self.local_directory)
         self.doc_conf = '{0}/../../docs/conf.py'.format(self.local_directory)
 
     def tearDown(self):
@@ -27,14 +27,25 @@ def make_version_source():
     def test_version_match(self):
         version_source = self.make_version_source()
 
+        # read the data from `pip show <package>` to get the version
+        # as seen by the installer
         version_setup = None
-        with open(self.setup_py, 'rt') as input_data:
-            for line in input_data:
-                ln = line.strip()
-                if ln.startswith('version='):
-                    ln_parts = ln.replace("'", '', 2).replace(',', '')
-                    version_setup = ln_parts.split('=')[1]
+        cmd = ["pip", "show", "stackinabox"]
+        pip_freeze = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+        output, error = pip_freeze.communicate()
+        if error is None:
+            output_lines = output.decode('utf-8').split("\n")
+            print(f"Read pip freeze data:\n{output_lines}\n")
+            for line in output_lines:
+                line_data = line.split(':')
+                key = line_data[0]
+                value = ':'.join(line_data[1:]).strip()
+                print(f"\tLine Key: {key} - Value: {value}")
+                if key.lower() == "version":
+                    version_setup = value
                     break
+        else:
+            self.fail(f"Unable to retrieve version data - error: {error}")
 
         self.assertEqual(version_source, version_setup)
 
diff --git a/tests/util/httpretty/test_decorator.py b/tests/util/httpretty/test_decorator.py
index d2ccd74..545fa36 100644
--- a/tests/util/httpretty/test_decorator.py
+++ b/tests/util/httpretty/test_decorator.py
@@ -1,7 +1,10 @@
 """
 Stack-In-A-Box: Basic Test
 """
-import collections
+try:
+    import collections.abc as collections
+except ImportError:
+    import collections
 import sys
 import types
 import unittest
diff --git a/tests/util/requests_mock/test_core.py b/tests/util/requests_mock/test_core.py
index 67b8ef4..f8e56f1 100644
--- a/tests/util/requests_mock/test_core.py
+++ b/tests/util/requests_mock/test_core.py
@@ -149,8 +149,9 @@ def test_basic(self):
             'alice': 'alice: Good-Bye bob',
             'joe': 'joe: Good-Bye jane'
         }
-        res = self.session.get('http://localhost/advanced/g?bob=alice;'
-                               'alice=bob&joe=jane')
+        res = self.session.get(
+            'http://localhost/advanced/g?bob=alice&alice=bob&joe=jane'
+        )
         self.assertEqual(res.status_code, 200)
         self.assertEqual(res.json(), expected_result)
 
@@ -185,8 +186,9 @@ def test_context_requests_mock(self):
                 'alice': 'alice: Good-Bye bob',
                 'joe': 'joe: Good-Bye jane'
             }
-            res = requests.get('http://localhost/advanced/g?bob=alice;'
-                               'alice=bob&joe=jane')
+            res = requests.get(
+                'http://localhost/advanced/g?bob=alice&alice=bob&joe=jane'
+            )
             self.assertEqual(res.status_code, 200)
             self.assertEqual(res.json(), expected_result)
 
diff --git a/tests/util/requests_mock/test_decorator.py b/tests/util/requests_mock/test_decorator.py
index 806d0ae..a869c17 100644
--- a/tests/util/requests_mock/test_decorator.py
+++ b/tests/util/requests_mock/test_decorator.py
@@ -1,7 +1,10 @@
 """
 Stack-In-A-Box: Basic Test
 """
-import collections
+try:
+    import collections.abc as collections
+except ImportError:
+    import collections
 import json
 import logging
 import types
@@ -91,8 +94,9 @@ def test_basic(self, session):
             'alice': 'alice: Good-Bye bob',
             'joe': 'joe: Good-Bye jane'
         }
-        res = session.get('http://localhost/advanced/g?bob=alice;'
-                          'alice=bob&joe=jane')
+        res = session.get(
+            'http://localhost/advanced/g?bob=alice&alice=bob&joe=jane'
+        )
         self.assertEqual(res.status_code, 200)
         self.assertEqual(res.json(), expected_result)
 
diff --git a/tests/util/response/test_core.py b/tests/util/response/test_core.py
index d41c05c..3b6ff36 100644
--- a/tests/util/response/test_core.py
+++ b/tests/util/response/test_core.py
@@ -56,8 +56,9 @@ def run(use_deprecated):
             'alice': 'alice: Good-Bye bob',
             'joe': 'joe: Good-Bye jane'
         }
-        res = requests.get('http://localhost/advanced/g?bob=alice;'
-                           'alice=bob&joe=jane')
+        res = requests.get(
+            'http://localhost/advanced/g?bob=alice&alice=bob&joe=jane'
+        )
         assert res.status_code == 200
         assert res.json() == expected_result
 
diff --git a/tests/util/response/test_decorator.py b/tests/util/response/test_decorator.py
index 0957f6a..01714b5 100644
--- a/tests/util/response/test_decorator.py
+++ b/tests/util/response/test_decorator.py
@@ -1,7 +1,11 @@
 """
 Stack-In-A-Box: Basic Test
 """
-import collections
+try:
+    import collections.abc as collections
+except ImportError:
+    import collections
+
 import json
 import logging
 import types
@@ -168,8 +172,9 @@ def test_advanced_responses():
         'alice': 'alice: Good-Bye bob',
         'joe': 'joe: Good-Bye jane'
     }
-    res = requests.get('http://localhost/advanced/g?bob=alice;'
-                       'alice=bob&joe=jane')
+    res = requests.get(
+        'http://localhost/advanced/g?bob=alice&alice=bob&joe=jane'
+    )
     assert res.status_code == 200
     assert res.json() == expected_result
 
diff --git a/tools/docs-requirements.txt b/tools/docs-requirements.txt
index 38a7f26..a6d2cdb 100644
--- a/tools/docs-requirements.txt
+++ b/tools/docs-requirements.txt
@@ -1,7 +1,7 @@
-doc8==0.8.1
-httpretty==1.0.5
-requests==2.25.1
-requests-mock==1.8.0
+doc8==1.1.1
+httpretty==1.1.4
+requests==2.31.0
+requests-mock==1.11.0
 responses>=0.12.1
-six==1.15.0
-sphinx==3.4.2
+six==1.16.0
+sphinx==7.2.6
diff --git a/tools/pep8-requirements.txt b/tools/pep8-requirements.txt
index 3af653e..c1d5188 100644
--- a/tools/pep8-requirements.txt
+++ b/tools/pep8-requirements.txt
@@ -1,2 +1,2 @@
 setuptools>=1.1.6
-pycodestyle==2.6.0
+pycodestyle==2.11.1
diff --git a/tools/py2-test-requirements.txt b/tools/py2-test-requirements.txt
index 66e3bd4..4b2f060 100644
--- a/tools/py2-test-requirements.txt
+++ b/tools/py2-test-requirements.txt
@@ -1,12 +1,13 @@
-coverage==4.5.4
-ddt==1.2.1
-httpretty==0.8.6
-mock==3.0.5
-pytest==3.3.2
-pytest-cov==2.5.1
-requests==2.22.0
-requests-mock==1.7.0
-responses>=0.10.6
-six==1.12.0
-pycodestyle==2.5.0
-attrs==17.2.0
+coverage==7.4.1
+ddt==1.7.1
+httpretty==1.1.4
+mock==5.1.0
+pytest==8.0.0
+pytest-cov==4.1.0
+requests==2.31.0
+requests-mock==1.11.0
+responses>=0.12.1
+six==1.16.0
+pycodestyle==2.11.1
+attrs==23.2.0
+setuptools<=44.1.1
diff --git a/tools/test-requirements.txt b/tools/test-requirements.txt
index 4de3a66..628986f 100644
--- a/tools/test-requirements.txt
+++ b/tools/test-requirements.txt
@@ -1,12 +1,12 @@
-coverage==5.3.1
-ddt==1.4.1
-httpretty==1.0.5
-mock==4.0.3
-pytest==6.2.1
-pytest-cov==2.10.1
-requests==2.25.1
-requests-mock==1.8.0
+coverage==7.4.1
+ddt==1.7.1
+httpretty==1.1.4
+mock==5.1.0
+pytest==8.0.0
+pytest-cov==4.1.0
+requests==2.31.0
+requests-mock==1.11.0
 responses>=0.12.1
-six==1.15.0
-pycodestyle==2.6.0
+six==1.16.0
+pycodestyle==2.11.1
 importlib-metadata==3.3.0 ;python_version<"3.8"
diff --git a/tox.ini b/tox.ini
index 4000bbd..3be5df9 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,64 +1,48 @@
 [tox]
 minversion=1.8
-envlist = {py3.6,py3.7,py3.8,py3.9},py3-httpretty,py3-requests-mock,py3-responses,pep8,docs
+envlist = {py3.8,py3.9,py3.10,py3.11,py3.12},py3-httpretty,py3-requests-mock,py3-responses,pep8,docs
 skip_missing_interpreters=True
 
 [testenv]
 basepython =
-    py27: python2.7
     pypy: pypy
     pypy3: pypy3
-    py35: python3.5
-    py3.6: python3.6
-    py3.7: python3.7
     py3.8: python3.8
     py3.9: python3.9
+    py3.10: python3.10
+    py3.11: python3.11
+    py3.12: python3.12
     pep8: python3
     docs: python3
 deps =
-    py27,pypy: -r{toxinidir}/tools/py2-test-requirements.txt
-    pypy3,py35,py3.6,py3.7,py3.8,py3.9,docs: -r{toxinidir}/tools/test-requirements.txt
+    pypy: -r{toxinidir}/tools/py2-test-requirements.txt
+    pypy3,py3.8,py3.9,py3.10,py3.11,py3.12,docs: -r{toxinidir}/tools/test-requirements.txt
     pep8: -r{toxinidir}/tools/pep8-requirements.txt 
     docs: -r{toxinidir}/tools/docs-requirements.txt
 commands =
-    py27,pypy,pypy3,py35,py3.6,py3.7,py3.8,py3.9: pytest {toxinidir}/tests --cov-config=.coveragerc --cov=stackinabox {posargs}
+    pypy,pypy3,py3.8,py3.9,py3.10,py3.11,py3.12: pytest {toxinidir}/tests --cov-config=.coveragerc --cov=stackinabox {posargs}
     pep8: pycodestyle --exclude=.tox,dist,doc,docs,*env*,.*env*,build --ignore=E128,W504
     docs: sphinx-build -b html -d {envtmpdir}/doctrees docs docs/_build/html
     docs: sphinx-build -b latex -d {envtmpdir}/doctrees docs docs/_build/latex
     docs: sphinx-build -b doctest -d {envtmpdir}/doctrees docs docs/_build/html
     docs: doc8 --allow-long-titles docs/
 setenv =
-    pypy3,py35,py3.6,py3.7,py3.8,py3.9,py3-httpretty,py3-requests-mock,py3-responses: VIRTUAL_ENV={envdir} LC_ALL = en_US.utf-8
+    pypy3,py3.8,py3.9,py3.10,py3.11,py3.12,py3-httpretty,py3-requests-mock,py3-responses: VIRTUAL_ENV={envdir} LC_ALL = en_US.utf-8
 
 # Unfortunately the below doesn't seem to integrate well into the form above
 # but it's valuable for testing the setup with extra dependencies to make sure things install right
-[testenv:py27-httpretty]
-basepython = python2.7
-deps = .[httpretty]
-commands = python -c "import stackinabox.util.httpretty"
-
 [testenv:py3-httpretty]
 basepython = python3
 deps = .[httpretty]
 commands = python -c "import stackinabox.util.httpretty"
 setenv ={envdir} LC_ALL = en_US.utf-8
 
-[testenv:py27-requests-mock]
-basepython = python2.7
-deps = .[requests-mock]
-commands = python -c "import stackinabox.util.requests_mock"
-
 [testenv:py3-requests-mock]
 basepython = python3
 deps = .[requests-mock]
 commands = python -c "import stackinabox.util.requests_mock"
 setenv ={envdir} LC_ALL = en_US.utf-8
 
-[testenv:py27-responses]
-basepython = python2.7
-deps = .[responses]
-commands = python -c "import stackinabox.util.responses"
-
 [testenv:py3-responses]
 basepython = python3
 deps = .[responses]