diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 6c989b7..0cea6a1 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -6,11 +6,11 @@ repos:
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
 -   repo: https://github.com/psf/black
-    rev: 23.12.1
+    rev: 24.2.0
     hooks:
     -   id: black
 -   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.1.14
+    rev: v0.2.1
     hooks:
     -    id: ruff
 -   repo: https://github.com/pre-commit/mirrors-mypy
diff --git a/horde_sdk/__init__.py b/horde_sdk/__init__.py
index abcb2bb..4029df7 100644
--- a/horde_sdk/__init__.py
+++ b/horde_sdk/__init__.py
@@ -1,4 +1,5 @@
 """Any model or helper useful for creating or interacting with a horde API."""
+
 # isort: off
 # We import dotenv first so that we can use it to load environment variables before importing anything else.
 import dotenv
diff --git a/horde_sdk/ai_horde_api/ai_horde_clients.py b/horde_sdk/ai_horde_api/ai_horde_clients.py
index e8e77b1..b832794 100644
--- a/horde_sdk/ai_horde_api/ai_horde_clients.py
+++ b/horde_sdk/ai_horde_api/ai_horde_clients.py
@@ -1,4 +1,5 @@
 """Definitions to help interact with the AI-Horde API."""
+
 from __future__ import annotations
 
 import asyncio
diff --git a/horde_sdk/ai_horde_api/apimodels/__init__.py b/horde_sdk/ai_horde_api/apimodels/__init__.py
index f89431f..b899b9f 100644
--- a/horde_sdk/ai_horde_api/apimodels/__init__.py
+++ b/horde_sdk/ai_horde_api/apimodels/__init__.py
@@ -1,4 +1,5 @@
 """All requests, responses and API models defined for the AI Horde API."""
+
 from horde_sdk.ai_horde_api.apimodels._find_user import (
     ContributionsDetails,
     FindUserRequest,
diff --git a/horde_sdk/ai_horde_api/apimodels/base.py b/horde_sdk/ai_horde_api/apimodels/base.py
index 05b2bea..331eb52 100644
--- a/horde_sdk/ai_horde_api/apimodels/base.py
+++ b/horde_sdk/ai_horde_api/apimodels/base.py
@@ -1,4 +1,5 @@
 """The base classes for all AI Horde API requests/responses."""
+
 from __future__ import annotations
 
 import os
diff --git a/horde_sdk/ai_horde_api/apimodels/generate/_async.py b/horde_sdk/ai_horde_api/apimodels/generate/_async.py
index 730140a..1d9ccc3 100644
--- a/horde_sdk/ai_horde_api/apimodels/generate/_async.py
+++ b/horde_sdk/ai_horde_api/apimodels/generate/_async.py
@@ -128,7 +128,7 @@ class ImageGenerateAsyncRequest(
 
     @model_validator(mode="before")
     def validate_censor_nsfw(cls, values: dict) -> dict:
-        if values.get("censor_nsfw", None) and values.get("nsfw", None):
+        if values.get("censor_nsfw") and values.get("nsfw"):
             raise ValueError("censor_nsfw is only valid when nsfw is False")
         return values
 
diff --git a/horde_sdk/ai_horde_api/fields.py b/horde_sdk/ai_horde_api/fields.py
index 045dcd1..417b51e 100644
--- a/horde_sdk/ai_horde_api/fields.py
+++ b/horde_sdk/ai_horde_api/fields.py
@@ -3,6 +3,7 @@
 However, this module may still assist in the construction of valid requests to the API, primarily
 by providing additional type hints for the request and response payloads and validation.
 """
+
 import uuid
 from typing import Any, ClassVar
 
diff --git a/horde_sdk/ai_horde_api/metadata.py b/horde_sdk/ai_horde_api/metadata.py
index 56d921a..fcf6752 100644
--- a/horde_sdk/ai_horde_api/metadata.py
+++ b/horde_sdk/ai_horde_api/metadata.py
@@ -1,4 +1,5 @@
 """Request metadata specific to the AI-Horde API."""
+
 from horde_sdk.generic_api.metadata import GenericPathFields
 
 
diff --git a/horde_sdk/generic_api/apimodels.py b/horde_sdk/generic_api/apimodels.py
index 49fe999..61c6889 100644
--- a/horde_sdk/generic_api/apimodels.py
+++ b/horde_sdk/generic_api/apimodels.py
@@ -1,4 +1,5 @@
 """API data model bases applicable across all (or many) horde APIs."""
+
 from __future__ import annotations
 
 import abc
diff --git a/horde_sdk/ratings_api/apimodels.py b/horde_sdk/ratings_api/apimodels.py
index 351a65c..969f7e0 100644
--- a/horde_sdk/ratings_api/apimodels.py
+++ b/horde_sdk/ratings_api/apimodels.py
@@ -1,4 +1,5 @@
 """Model definitions for AI Horde Ratings API."""
+
 import uuid
 from enum import auto
 
diff --git a/horde_sdk/ratings_api/endpoints.py b/horde_sdk/ratings_api/endpoints.py
index 9051a5a..6d3fbb8 100644
--- a/horde_sdk/ratings_api/endpoints.py
+++ b/horde_sdk/ratings_api/endpoints.py
@@ -1,6 +1,5 @@
 """Information and helper functions for URL endpoints to horde APIs."""
 
-
 # TODO make RATING_API_BASE_URL a env variable?
 from horde_sdk.generic_api.endpoints import GENERIC_API_ENDPOINT_SUBPATH
 
diff --git a/horde_sdk/ratings_api/metadata.py b/horde_sdk/ratings_api/metadata.py
index 4925b5d..f523175 100644
--- a/horde_sdk/ratings_api/metadata.py
+++ b/horde_sdk/ratings_api/metadata.py
@@ -1,4 +1,5 @@
 """Request metadata specific to the Ratings API."""
+
 from enum import auto
 
 from horde_sdk.generic_api.metadata import GenericPathFields, GenericQueryFields
diff --git a/horde_sdk/scripts/write_all_payload_examples_for_tests.py b/horde_sdk/scripts/write_all_payload_examples_for_tests.py
index 65e44f2..d3ee0ae 100644
--- a/horde_sdk/scripts/write_all_payload_examples_for_tests.py
+++ b/horde_sdk/scripts/write_all_payload_examples_for_tests.py
@@ -1,4 +1,5 @@
 """Write all example payloads to a file in the tests/test_data directory."""
+
 from pathlib import Path
 
 from horde_sdk.ai_horde_api.endpoints import get_ai_horde_swagger_url
diff --git a/horde_sdk/scripts/write_all_response_examples_for_tests.py b/horde_sdk/scripts/write_all_response_examples_for_tests.py
index c8c2fcb..c47e905 100644
--- a/horde_sdk/scripts/write_all_response_examples_for_tests.py
+++ b/horde_sdk/scripts/write_all_response_examples_for_tests.py
@@ -1,4 +1,5 @@
 """Write all example responses to a file in the tests/test_data directory."""
+
 from pathlib import Path
 
 from horde_sdk.ai_horde_api.endpoints import get_ai_horde_swagger_url
diff --git a/requirements.dev.txt b/requirements.dev.txt
index e556ef9..dc2c2b7 100644
--- a/requirements.dev.txt
+++ b/requirements.dev.txt
@@ -1,9 +1,9 @@
-pytest==7.4.4
+pytest==8.0.0
 mypy==1.8.0
-black==23.12.1
-ruff==0.1.14
+black==24.2.0
+ruff==0.2.1
 tox~=4.12.1
-pre-commit~=3.6.0
+pre-commit~=3.6.1
 build>=0.10.0
 coverage>=7.2.7
 
diff --git a/requirements.txt b/requirements.txt
index 210895b..e47f368 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-horde_model_reference~=0.5.3
+horde_model_reference~=0.5.4
 
 pydantic
 requests
diff --git a/tests/ai_horde_api/test_ai_horde_api_calls.py b/tests/ai_horde_api/test_ai_horde_api_calls.py
index 79068c4..8f961ff 100644
--- a/tests/ai_horde_api/test_ai_horde_api_calls.py
+++ b/tests/ai_horde_api/test_ai_horde_api_calls.py
@@ -113,9 +113,12 @@ def test_HordeRequestSession_cleanup(self, simple_image_gen_request: ImageGenera
     @pytest.mark.asyncio
     async def test_HordeRequestSession_async(self, simple_image_gen_request: ImageGenerateAsyncRequest) -> None:
         """Test that the context manager cleans up correctly asynchronously."""
-        async with aiohttp.ClientSession() as aiohttp_session, AIHordeAPIAsyncClientSession(
-            aiohttp_session=aiohttp_session,
-        ) as horde_session:
+        async with (
+            aiohttp.ClientSession() as aiohttp_session,
+            AIHordeAPIAsyncClientSession(
+                aiohttp_session=aiohttp_session,
+            ) as horde_session,
+        ):
             api_response = await horde_session.submit_request(  # noqa: F841
                 simple_image_gen_request,
                 simple_image_gen_request.get_default_success_response_type(),
@@ -128,9 +131,12 @@ async def test_HordeRequestSession_async_exception_raised(
     ) -> None:
         """Test that the context manager cleans up correctly asynchronously when an exception is raised."""
         with pytest.raises(HordeTestException):
-            async with aiohttp.ClientSession() as aiohttp_session, AIHordeAPIAsyncClientSession(
-                aiohttp_session=aiohttp_session,
-            ) as horde_session:
+            async with (
+                aiohttp.ClientSession() as aiohttp_session,
+                AIHordeAPIAsyncClientSession(
+                    aiohttp_session=aiohttp_session,
+                ) as horde_session,
+            ):
                 api_response = await horde_session.submit_request(  # noqa: F841
                     simple_image_gen_request,
                     simple_image_gen_request.get_default_success_response_type(),
diff --git a/tests/ai_horde_api/test_ai_horde_api_models.py b/tests/ai_horde_api/test_ai_horde_api_models.py
index 4e05a47..2507d3d 100644
--- a/tests/ai_horde_api/test_ai_horde_api_models.py
+++ b/tests/ai_horde_api/test_ai_horde_api_models.py
@@ -1,4 +1,5 @@
 """Unit tests for AI-Horde API models."""
+
 import json
 from uuid import UUID
 
diff --git a/tests/test_dynamically_check_apimodels.py b/tests/test_dynamically_check_apimodels.py
index 54217c9..c6ad836 100644
--- a/tests/test_dynamically_check_apimodels.py
+++ b/tests/test_dynamically_check_apimodels.py
@@ -1,4 +1,5 @@
 """Check that all models defined in all APIs `apimodels` module/subpackage can be instantiated from example JSON."""
+
 import json
 import os
 from pathlib import Path
diff --git a/tests/test_generic.py b/tests/test_generic.py
index e8b85f8..b8dd11e 100644
--- a/tests/test_generic.py
+++ b/tests/test_generic.py
@@ -1,4 +1,5 @@
 """Test generic API models not specific to a particular API."""
+
 import json
 
 from horde_sdk.generic_api.apimodels import RequestErrorResponse
diff --git a/tests/test_ratings_api_models.py b/tests/test_ratings_api_models.py
index 0cc7344..3a7ecb1 100644
--- a/tests/test_ratings_api_models.py
+++ b/tests/test_ratings_api_models.py
@@ -1,6 +1,5 @@
 """Unit tests for Ratings API models."""
 
-
 import pydantic
 import pytest