diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 009dbf4..8a86d2e 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -53,7 +53,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        python-version: [3.6, 3.7, 3.8, 3.9]
+        python-version: [3.7, 3.8, 3.9, '3.10', '3.11']
     runs-on: ${{ matrix.os }}
 
     steps:
diff --git a/inicheck/changes.py b/inicheck/changes.py
index 98f4e22..64d130d 100644
--- a/inicheck/changes.py
+++ b/inicheck/changes.py
@@ -240,8 +240,9 @@ def apply_changes(self, ucfg, potentials, changes):
                     del cfg[s_o][i_o]
 
                 # look to remove a whole section
-                if len(cfg[s_o].keys()
-                       ) == 0 and s_o not in ucfg.mcfg.cfg.keys():
-                    del(cfg[s_o])
+                if len(
+                    cfg[s_o].keys()
+                ) == 0 and s_o not in ucfg.mcfg.cfg.keys():
+                    del cfg[s_o]
 
         return cfg
diff --git a/requirements.txt b/requirements.txt
index c60a9b1..7989252 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,4 @@
-dateparser==0.7.2
+dateparser>=0.7.2,<1.2.0
 requests>=2.0.0
+regex>=2021.11.10,<=2023.10.3
 setuptools_scm<4.2
diff --git a/setup.py b/setup.py
index 2dec080..efe357d 100644
--- a/setup.py
+++ b/setup.py
@@ -1,61 +1,62 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-"""The setup script."""
-
-from setuptools import setup, find_packages
-
-with open('README.rst') as readme_file:
-    readme = readme_file.read()
-
-with open('docs/history.rst') as history_file:
-    history = history_file.read()
-
-with open('requirements.txt') as req_file:
-    requirements = req_file.read()
-
-setup(
-    name='inicheck',
-    description="inicheck is an high level configuration file checker "
-                "enabling developers tight control over their users "
-                "configuration files",
-    long_description=readme + '\n\n' + history,
-    long_description_content_type='text/x-rst',
-    author="USDA ARS NWRC",
-    author_email='snow@ars.usda.gov',
-    url='https://github.com/USDA-ARS-NWRC/inicheck',
-    project_urls={
-        'Documentation': 'https://inicheck.readthedocs.io',
-    },
-    packages=find_packages(include=['inicheck']),
-    entry_points={
-        'console_scripts': [
-            'inicheck=inicheck.cli:main',
-            'inidiff=inicheck.cli:inidiff',
-            'inimake=inicheck.cli:inimake',
-            'inichangefind=inicheck.cli:detect_file_changes'
-        ]
-    },
-    include_package_data=True,
-    install_requires=requirements,
-    license="CC0 1.0 Universal (CC0 1.0) Public Domain Dedication",
-    zip_safe=False,
-    keywords='inicheck',
-    classifiers=[
-        'Development Status :: 4 - Beta',
-        'Intended Audience :: Developers',
-        'License :: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication',
-        'Natural Language :: English',
-        'Programming Language :: Python :: 3.6',
-        'Programming Language :: Python :: 3.7',
-        'Programming Language :: Python :: 3.8',
-        'Programming Language :: Python :: 3.9'
-    ],
-    use_scm_version={
-        'local_scheme': 'node-and-date',
-    },
-    setup_requires=[
-        'setuptools_scm'
-    ],
-    test_suite='tests',
-)
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""The setup script."""
+
+from setuptools import setup, find_packages
+
+with open('README.rst') as readme_file:
+    readme = readme_file.read()
+
+with open('docs/history.rst') as history_file:
+    history = history_file.read()
+
+with open('requirements.txt') as req_file:
+    requirements = req_file.read()
+
+setup(
+    name='inicheck',
+    description="inicheck is an high level configuration file checker "
+                "enabling developers tight control over their users "
+                "configuration files",
+    long_description=readme + '\n\n' + history,
+    long_description_content_type='text/x-rst',
+    author="USDA ARS NWRC",
+    author_email='snow@ars.usda.gov',
+    url='https://github.com/USDA-ARS-NWRC/inicheck',
+    project_urls={
+        'Documentation': 'https://inicheck.readthedocs.io',
+    },
+    packages=find_packages(include=['inicheck']),
+    entry_points={
+        'console_scripts': [
+            'inicheck=inicheck.cli:main',
+            'inidiff=inicheck.cli:inidiff',
+            'inimake=inicheck.cli:inimake',
+            'inichangefind=inicheck.cli:detect_file_changes'
+        ]
+    },
+    include_package_data=True,
+    install_requires=requirements,
+    license="CC0 1.0 Universal (CC0 1.0) Public Domain Dedication",
+    zip_safe=False,
+    keywords='inicheck',
+    classifiers=[
+        'Development Status :: 4 - Beta',
+        'Intended Audience :: Developers',
+        'License :: CC0 1.0 Universal (CC0 1.0) Public Domain Dedication',
+        'Natural Language :: English',
+        'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10'
+        'Programming Language :: Python :: 3.11'
+    ],
+    use_scm_version={
+        'local_scheme': 'node-and-date',
+    },
+    setup_requires=[
+        'setuptools_scm'
+    ],
+    test_suite='tests',
+)