diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 10df02c04..1f4614088 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -8,7 +8,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
 
     runs-on: ${{ matrix.os }}
 
@@ -33,4 +33,4 @@ jobs:
     - name: Test build
       if: always()
       run: |
-        python -m build
\ No newline at end of file
+        python -m build
diff --git a/pyproject.toml b/pyproject.toml
index ee793ec41..717ca7cde 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=45.0", "versioneer>=0.24", "wheel"]
+requires = ["setuptools>=68.0", "versioneer>=0.29", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -12,39 +12,41 @@ license = {file = "LICENSE"}
 readme = "README.md"
 
 dependencies = [
-    'defusedxml>=0.7.1',
-    'packaging>=22.0',  # bumping to minimum version required by black
-    'requests>=2.28',
-    'urllib3~=1.26.8',
+    'defusedxml>=0.7.1',  # latest as at 7/31/23
+    'packaging>=23.1',   # latest as at 7/31/23
+    'requests>=2.31',  # latest as at 7/31/23
+    'urllib3==2.0.4',  # latest as at 7/31/23
 ]
 requires-python = ">=3.7"
 classifiers = [
   "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 :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12"
 ]
 [project.urls]
 repository = "https://github.com/tableau/server-client-python"
 
 [project.optional-dependencies]
-test = ["argparse", "black", "mock", "mypy", "pytest>=7.0", "pytest-subtests", "requests-mock>=1.0,<2.0"]
+test = ["argparse", "black==23.7", "mock", "mypy==1.4", "pytest>=7.0", "pytest-subtests", "requests-mock>=1.0,<2.0"]
 
 [tool.black]
 line-length = 120
-target-version = ['py37', 'py38', 'py39', 'py310']
+target-version = ['py37', 'py38', 'py39', 'py310', 'py311', 'py312']
 
 [tool.mypy]
+check_untyped_defs = false
 disable_error_code = [
     'misc',
-    'import'
+    # tableauserverclient\server\endpoint\datasources_endpoint.py:48: error: Cannot assign multiple types to name "FilePath" without an explicit "Type[...]" annotation  [misc]
+    'annotation-unchecked'  # can be removed when check_untyped_defs = true
 ]
 files = ["tableauserverclient", "test"]
 show_error_codes = true
-ignore_missing_imports = true
-
+ignore_missing_imports = true  # defusedxml library has no types
 [tool.pytest.ini_options]
 testpaths = ["test"]
 addopts = "--junitxml=./test.junit.xml"
diff --git a/test/models/test_repr.py b/test/models/test_repr.py
index f3da9fde2..d21e4bc4a 100644
--- a/test/models/test_repr.py
+++ b/test/models/test_repr.py
@@ -1,7 +1,7 @@
 import pytest
 
 from unittest import TestCase
-import _models
+import _models  # type: ignore  # did not set types for this
 
 
 # ensure that all models have a __repr__ method implemented
diff --git a/test/test_datasource.py b/test/test_datasource.py
index 730e382da..e299e5291 100644
--- a/test/test_datasource.py
+++ b/test/test_datasource.py
@@ -2,12 +2,14 @@
 import tempfile
 import unittest
 from io import BytesIO
+from typing import Optional
 from zipfile import ZipFile
 
 import requests_mock
 from defusedxml.ElementTree import fromstring
 
 import tableauserverclient as TSC
+from tableauserverclient import ConnectionItem
 from tableauserverclient.datetime_helpers import format_datetime
 from tableauserverclient.server.endpoint.exceptions import InternalServerError
 from tableauserverclient.server.endpoint.fileuploads_endpoint import Fileuploads
@@ -167,9 +169,9 @@ def test_populate_connections(self) -> None:
             single_datasource._id = "9dbd2263-16b5-46e1-9c43-a76bb8ab65fb"
             self.server.datasources.populate_connections(single_datasource)
             self.assertEqual("9dbd2263-16b5-46e1-9c43-a76bb8ab65fb", single_datasource.id)
-            connections = single_datasource.connections
+            connections: Optional[list[ConnectionItem]] = single_datasource.connections
 
-        self.assertTrue(connections)
+        self.assertIsNotNone(connections)
         ds1, ds2 = connections
         self.assertEqual("be786ae0-d2bf-4a4b-9b34-e2de8d2d4488", ds1.id)
         self.assertEqual("textscan", ds1.connection_type)