diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a5b3e18c..d9ec99b8 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,20 +14,20 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v2
-        with:
-          path: code42cli
       - name: Setup Python
         uses: actions/setup-python@v1
         with:
           python-version: ${{ matrix.python }}
       - name: Install tox
-        run: pip install tox==3.17.1
+        run: |
+          pip install tox==3.17.1
+          pip install .
       - name: Run Unit tests
-        run: cd code42cli; tox -e py  # Run tox using the version of Python in `PATH`
+        run: tox -e py  # Run tox using the version of Python in `PATH`
       - name: Submit coverage report
         uses: codecov/codecov-action@v1.0.7
         with:
@@ -56,4 +56,4 @@ jobs:
       - name: Start up the mock servers
         run: cd code42-mock-servers; docker-compose up -d --build
       - name: Run the integration tests
-        run: sleep 15; cd code42cli; tox -e integration
+        run: sleep 15; tox -e integration
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 4afff063..26262813 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -20,6 +20,8 @@ jobs:
       with:
         python-version: '3.x'
     - name: Install tox
-      run: pip install tox==3.17.1
+      run: |
+        pip install tox==3.17.1
+        pip install .
     - name: Build docs
       run: tox -e docs
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index ea8a73ff..e108ca6f 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ["3.7", "3.8", "3.9", "3.10", "3.11"]
+        python: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
 
     steps:
       - uses: actions/checkout@v2
diff --git a/.github/workflows/style.yml b/.github/workflows/style.yml
index dfc4dfcb..ce003f92 100644
--- a/.github/workflows/style.yml
+++ b/.github/workflows/style.yml
@@ -20,6 +20,8 @@ jobs:
       with:
         python-version: '3.x'
     - name: Install tox
-      run: pip install tox==3.17.1
+      run: |
+        pip install tox==3.17.1
+        pip install .
     - name: Run style checks
       run: tox -e style
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 14e57479..c2871db6 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -14,7 +14,7 @@ repos:
       hooks:
         - id: black
     - repo: https://github.com/pycqa/flake8
-      rev: 3.8.3
+      rev: 6.1.0
       hooks:
         - id: flake8
           additional_dependencies:
diff --git a/setup.cfg b/setup.cfg
index 22b1db08..f104e210 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -31,5 +31,7 @@ ignore =
     B904
     # manual quoting
     B907
+    # assertRaises-type
+    B908
 # up to 88 allowed by bugbear B950
 max-line-length = 80
diff --git a/setup.py b/setup.py
index 04663e40..72965d45 100644
--- a/setup.py
+++ b/setup.py
@@ -41,14 +41,16 @@
         "ipython>=8.10.0;python_version>='3.8'",
         "pandas>=1.1.3",
         "py42>=1.26.0",
+        "setuptools>=66.0.0",
     ],
     extras_require={
         "dev": [
-            "flake8==3.8.3",
+            "flake8>=4.0.0",
             "pytest==4.6.11",
             "pytest-cov==2.10.0",
             "pytest-mock==2.0.0",
             "tox>=3.17.1",
+            "importlib-metadata<5.0",
         ],
         "docs": [
             "sphinx==4.4.0",
diff --git a/tests/logger/test_init.py b/tests/logger/test_init.py
index b1948da9..640f67b9 100644
--- a/tests/logger/test_init.py
+++ b/tests/logger/test_init.py
@@ -77,23 +77,21 @@ def test_get_logger_for_server_when_given_cef_format_uses_cef_formatter():
     logger = get_logger_for_server(
         "example.com", ServerProtocol.TCP, SendToFileEventsOutputFormat.CEF, None
     )
-    assert type(logger.handlers[0].formatter) == FileEventDictToCEFFormatter
+    assert isinstance(logger.handlers[0].formatter, FileEventDictToCEFFormatter)
 
 
 def test_get_logger_for_server_when_given_json_format_uses_json_formatter():
     logger = get_logger_for_server(
         "example.com", ServerProtocol.TCP, OutputFormat.JSON, None
     )
-    actual = type(logger.handlers[0].formatter)
-    assert actual == FileEventDictToJSONFormatter
+    assert isinstance(logger.handlers[0].formatter, FileEventDictToJSONFormatter)
 
 
 def test_get_logger_for_server_when_given_raw_json_format_uses_raw_json_formatter():
     logger = get_logger_for_server(
         "example.com", ServerProtocol.TCP, OutputFormat.RAW, None
     )
-    actual = type(logger.handlers[0].formatter)
-    assert actual == FileEventDictToRawJSONFormatter
+    assert isinstance(logger.handlers[0].formatter, FileEventDictToRawJSONFormatter)
 
 
 def test_get_logger_for_server_when_called_twice_only_has_one_handler():
@@ -108,7 +106,7 @@ def test_get_logger_for_server_uses_no_priority_syslog_handler():
     logger = get_logger_for_server(
         "example.com", ServerProtocol.TCP, SendToFileEventsOutputFormat.CEF, None
     )
-    assert type(logger.handlers[0]) == NoPrioritySysLogHandler
+    assert isinstance(logger.handlers[0], NoPrioritySysLogHandler)
 
 
 def test_get_logger_for_server_constructs_handler_with_expected_args(
diff --git a/tox.ini b/tox.ini
index 9413bdf0..e8cea7f8 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{311,310,39,38,37}
+    py{312,311,310,39,38,37}
     docs
     style
 skip_missing_interpreters = true
@@ -12,6 +12,7 @@ deps =
     pytest-cov == 4.0.0
     pandas >= 1.1.3
     pexpect == 4.8.0
+    setuptools >= 66.0.0
 
 commands =
     # -v: verbose