diff --git a/.github/workflows/python-version-tests.yml b/.github/workflows/python-version-tests.yml
index 301169f..b54859f 100644
--- a/.github/workflows/python-version-tests.yml
+++ b/.github/workflows/python-version-tests.yml
@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.7", "3.8"]
+        python-version: ["3.8", "3.9", "3.10"]
 
     steps:
     - uses: actions/checkout@v3
@@ -27,7 +27,6 @@ jobs:
         sudo apt install flake8
         sudo apt install pylint
         pip install pytest
-        pip install six
     - name: Run Tests
       run: |
         flake8 tests src setup.py
diff --git a/AUTHORS.rst b/AUTHORS.rst
index f656e9d..9df2739 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -4,6 +4,7 @@ Developed and maintained by `Hearsay Social, Inc.
 Contributors
 ============
 | `Adam DePue <http://github.com/adepue>`_
+| `Aron radics <http://github.com/radaron>`_
 | `Akshay Shah <http://github.com/akshayjshah>`_
 | `Dale Hui <http://github.com/dhui>`_
 | `Robert MacCloy <http://github.com/rbm>`_
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index af0c26d..284fbd7 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -38,3 +38,10 @@ Changelog
 1.0.0 (2013-08-16)
 ------------------
     - Initial public release.
+
+2.0.0 (2024-06-04)
+------------------
+    - Remove six
+    - Remove python 3.7 support
+    - Add python 3.9 and 3.10 support
+    - Remove tox.ini
\ No newline at end of file
diff --git a/README.rst b/README.rst
index 5a016f3..1af9e19 100644
--- a/README.rst
+++ b/README.rst
@@ -1,9 +1,8 @@
 ========
 richenum
 ========
-.. image:: https://circleci.com/gh/hearsaycorp/richenum/tree/master.svg?style=svg
+.. image:: https://github.com/hearsaycorp/richenum/actions/workflows/python-version-tests.yml/badge.svg
     :alt: Build Status
-    :target: https://circleci.com/gh/hearsaycorp/richenum/tree/master
 
 .. image:: https://img.shields.io/pypi/v/richenum.svg
     :alt: Latest PyPI Version
@@ -16,7 +15,7 @@ richenum
 .. image:: https://img.shields.io/pypi/dm/richenum.svg
   :alt: Pypi Downloads
   :target: https://pypi.org/project/richenum/
-  
+
 =====
 About
 =====
diff --git a/setup.py b/setup.py
index 2cf4031..aa11093 100755
--- a/setup.py
+++ b/setup.py
@@ -5,7 +5,7 @@
 
 setup(
     name='richenum',
-    version='1.3.1',
+    version='2.0.0',
     description='Enum library for python.',
     long_description=(
         open('README.rst').read() + '\n\n' +
@@ -16,8 +16,9 @@
         'License :: OSI Approved :: MIT License',
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: Implementation :: CPython',
         'Topic :: Software Development :: Libraries :: Python Modules',
     ],
@@ -30,6 +31,5 @@
     packages=find_packages('src'),
     tests_require=['pytest'],
     setup_requires=["pytest-runner"],
-    install_requires=['six'],
     test_suite='tests'
 )
diff --git a/src/richenum/enums.py b/src/richenum/enums.py
index 2e970ab..55ece25 100644
--- a/src/richenum/enums.py
+++ b/src/richenum/enums.py
@@ -7,15 +7,9 @@
 from functools import total_ordering
 import logging
 import numbers
-from six import PY3
-from six import string_types
-from six import with_metaclass
 
 from operator import itemgetter
 
-if PY3:
-    unicode = str  # workaround for flake8
-
 
 logger = logging.getLogger(__name__)
 
@@ -34,15 +28,6 @@ class EnumLookupError(LookupError):
     pass
 
 
-def _str_or_ascii_replace(stringy):
-    if PY3:
-        return stringy
-    else:
-        if isinstance(stringy, str):
-            stringy = stringy.decode('utf-8')
-        return stringy.encode('ascii', 'replace')
-
-
 def _items(dict):
     try:
         return dict.iteritems()
@@ -96,16 +81,15 @@ def __init__(self, canonical_name, display_name, *args, **kwargs):
     def __repr__(self):
         return "<%s: %s ('%s')>" % (
             self.__class__.__name__,
-            _str_or_ascii_replace(self.canonical_name),
-            _str_or_ascii_replace(self.display_name),
+            self.canonical_name,
+            self.display_name,
         )
 
     def __unicode__(self):
-        return unicode(self.display_name)
+        return str(self.display_name)
 
     def __str__(self):
-        return str(self.display_name) if PY3 else unicode(self).encode(
-            'utf-8', 'xmlcharrefreplace')
+        return str(self.display_name)
 
     def __hash__(self):
         return hash(self.canonical_name)
@@ -152,8 +136,8 @@ def __repr__(self):
         return "<%s #%s: %s ('%s')>" % (
             self.__class__.__name__,
             self.index,
-            _str_or_ascii_replace(self.canonical_name),
-            _str_or_ascii_replace(self.display_name),
+            self.canonical_name,
+            self.display_name,
         )
 
     def __lt__(self, other):
@@ -225,7 +209,7 @@ def __contains__(cls, item):
         members = cls.members()
         if not members:
             return False
-        if not type(members[0]) == type(item):
+        if not type(members[0]) is type(item):
             return False
         return (item in members)
 
@@ -279,7 +263,7 @@ def lookup(cls, field, value):
                 return member
 
             if (
-                not isinstance(member_value, string_types) and
+                not isinstance(member_value, str) and
                 isinstance(member_value, collectionsAbc.Iterable) and
                 value in member_value
             ):
@@ -311,7 +295,7 @@ def choices(cls, value_field='canonical_name', display_field='display_name'):
         return [m.choicify(value_field=value_field, display_field=display_field) for m in cls.members()]
 
 
-class RichEnum(with_metaclass(_RichEnumMetaclass, _EnumMethods)):
+class RichEnum(_EnumMethods, metaclass=_RichEnumMetaclass):
     """
     Enumeration that can represent a name for referencing (canonical_name) and
     a name for displaying (display_name).
@@ -339,7 +323,7 @@ class RichEnum(with_metaclass(_RichEnumMetaclass, _EnumMethods)):
     __virtual__ = True
 
 
-class OrderedRichEnum(with_metaclass(_OrderedRichEnumMetaclass, _EnumMethods)):
+class OrderedRichEnum(_EnumMethods, metaclass=_OrderedRichEnumMetaclass):
     """
     Use OrderedRichEnum when you need a RichEnum with index-based
     access into the enum, e.g. OrderedRichEnumExample.from_index(0),
diff --git a/tests/richenum/test_ordered_rich_enums.py b/tests/richenum/test_ordered_rich_enums.py
index e01397e..ed968ff 100644
--- a/tests/richenum/test_ordered_rich_enums.py
+++ b/tests/richenum/test_ordered_rich_enums.py
@@ -6,9 +6,6 @@
 import unittest
 import re
 import pytest
-from six import PY3
-if PY3:
-    unicode = str  # for flake8, mainly
 
 from richenum import EnumConstructionException  # noqa
 from richenum import EnumLookupError  # noqa
@@ -116,8 +113,6 @@ def test_unicode_handling(self):
         exp = re.compile(r"<BreakfastEnumValue #3: oatmeal..? \('Oatmeal..?'\)>")
         assert exp.search(repr(poop_oatmeal)) is not None
         self.assertEqual(str(poop_oatmeal), "Oatmeal💩")
-        if not PY3:
-            self.assertEqual(unicode(poop_oatmeal), u"Oatmeal💩")
 
     def test_enum_hashable(self):
         self.assertTrue(hash(coffee))
diff --git a/tests/richenum/test_rich_enums.py b/tests/richenum/test_rich_enums.py
index 1fea3a8..ea1118f 100644
--- a/tests/richenum/test_rich_enums.py
+++ b/tests/richenum/test_rich_enums.py
@@ -5,9 +5,6 @@
 import re
 import unittest
 import pytest
-import six
-if six.PY3:
-    unicode = str  # for flake8, mainly
 
 from richenum import EnumConstructionException  # noqa
 from richenum import EnumLookupError  # noqa
@@ -142,8 +139,6 @@ def test_unicode_handling(self):
         exp = re.compile(r"<VegetableEnumValue: okra..? \('Okra..?'\)>")
         self.assertIsNotNone(exp.search(repr(poop_okra)))
         self.assertEqual(str(poop_okra), "Okra💩")
-        if not six.PY3:
-            self.assertEqual(unicode(poop_okra), u"Okra💩")
 
     def test_string_coercion(self):
         class DisplayProxy():
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index 104b219..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,7 +0,0 @@
-[tox]
-envlist = py27,py35,py36,py37,pypy
-[testenv]
-deps =
-    pytest
-    six
-commands = pytest
\ No newline at end of file