diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index fa3a945..01ad56a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,11 +27,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: "actions/checkout@v4"
-      - uses: "actions/setup-python@v4"
+      - uses: "actions/setup-python@v5"
         with:
           python-version: "${{ matrix.python-version }}"
           cache: pip
@@ -54,7 +54,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         arch: ["x86", "x64"]
 
     env:
@@ -62,7 +62,7 @@ jobs:
 
     steps:
       - uses: "actions/checkout@v4"
-      - uses: "actions/setup-python@v4"
+      - uses: "actions/setup-python@v5"
         with:
           python-version: "${{ matrix.python-version }}"
           architecture: "${{ matrix.arch }}"
@@ -84,11 +84,11 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - uses: "actions/checkout@v4"
-      - uses: "actions/setup-python@v4"
+      - uses: "actions/setup-python@v5"
         with:
           python-version: "${{ matrix.python-version }}"
           architecture: "${{ matrix.arch }}"
@@ -109,5 +109,5 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-python@v4
-      - uses: pre-commit/action@v3.0.0
+      - uses: actions/setup-python@v5
+      - uses: pre-commit/action@v3.0.1
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 68f567c..820163e 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -29,7 +29,7 @@ jobs:
       id-token: write
     steps:
       - name: Download artifacts
-        uses: dawidd6/action-download-artifact@268677152d06ba59fcec7a7f0b5d961b6ccd7e1e # v2.28.0
+        uses: dawidd6/action-download-artifact@bf251b5aa9c2f7eeb574a96ee720e24f801b7c11 # v6
         with:
           path: artifacts/
           run_id: ${{ github.event.inputs.run_id || github.event.workflow_run.id }}
@@ -39,16 +39,16 @@ jobs:
           ls -lR artifacts/
           mkdir dist
           mv artifacts/sdist/*.tar.gz dist/
-          mv artifacts/wheels/*.whl dist/
+          mv artifacts/wheels-*/*.whl dist/
 
       - name: Publish to pypi.org
-        uses: pypa/gh-action-pypi-publish@b7f401de30cb6434a1e19f805ff006643653240e # v1.8.10
+        uses: pypa/gh-action-pypi-publish@f7600683efdcb7656dec5b29656edb7bc586e597 # v1.10.3
         if: github.event_name == 'workflow_run' || (github.event_name == 'workflow_dispatch' && github.event.inputs.environment == 'pypi')
         with:
           packages-dir: dist/
 
       - name: Publish to test.pypi.org
-        uses: pypa/gh-action-pypi-publish@b7f401de30cb6434a1e19f805ff006643653240e # v1.8.10
+        uses: pypa/gh-action-pypi-publish@f7600683efdcb7656dec5b29656edb7bc586e597 # v1.10.3
         if: github.event_name == 'workflow_dispatch' && github.event.inputs.environment == 'testpypi'
         with:
           repository-url: https://test.pypi.org/legacy/
diff --git a/.github/workflows/wheel-builder.yml b/.github/workflows/wheel-builder.yml
index 8e445b7..bc6b833 100644
--- a/.github/workflows/wheel-builder.yml
+++ b/.github/workflows/wheel-builder.yml
@@ -36,7 +36,7 @@ jobs:
         run: .venv/bin/pip install -U pip build
       - name: Make sdist
         run: .venv/bin/python -m build --sdist
-      - uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
+      - uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
         with:
           name: sdist
           path: dist/*.tar.gz
@@ -47,7 +47,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-20.04, windows-2019, macos-11]
+        os: [ubuntu-20.04, windows-2019, macos-12]
 
     steps:
       - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
@@ -57,9 +57,9 @@ jobs:
           persist-credentials: false
 
       - name: Build wheels
-        uses: pypa/cibuildwheel@fff9ec32ed25a9c576750c91e06b410ed0c15db7 # v2.16.2
+        uses: pypa/cibuildwheel@7940a4c0e76eb2030e473a5f864f291f63ee879b # v2.21.3
 
-      - uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
+      - uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
         with:
-          name: wheels
+          name: wheels-${{ matrix.os }}
           path: ./wheelhouse/*.whl
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 9354901..46e87b6 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v5.0.0
     hooks:
       - id: check-toml
       - id: check-yaml
@@ -9,21 +9,21 @@ repos:
       - id: end-of-file-fixer
       - id: trailing-whitespace
         args: [--markdown-linebreak-ext=md]
-  - repo: https://github.com/pre-commit/mirrors-prettier
-    rev: v2.7.1
+  - repo: https://github.com/rbubley/mirrors-prettier
+    rev: v3.3.3
     hooks:
       - id: prettier
         exclude: docs/sheet/.*\.html$
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.7.0
+    rev: v3.18.0
     hooks:
       - id: pyupgrade
-        args: [--py38-plus]
+        args: [--py39-plus]
   - repo: https://github.com/timothycrosley/isort
-    rev: 5.12.0
+    rev: 5.13.2
     hooks:
       - id: isort
   - repo: https://github.com/psf/black
-    rev: 23.3.0
+    rev: 24.10.0
     hooks:
       - id: black
diff --git a/CHANGES b/CHANGES
index d91b0f3..84a9668 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,13 @@
 Logbook Changelog
 =================
 
+Version 1.8.0
+-------------
+
+- Python 3.13 support
+- Fixed deprecation warnings on Python 3.12
+- Dropped support for Python 3.8
+
 Version 1.7.0.post0
 -------------------
 
diff --git a/benchmark/bench_disabled_introspection.py b/benchmark/bench_disabled_introspection.py
index 87d4fe8..606c1ab 100644
--- a/benchmark/bench_disabled_introspection.py
+++ b/benchmark/bench_disabled_introspection.py
@@ -1,4 +1,5 @@
 """Tests with frame introspection disabled"""
+
 from logbook import Flags, Logger, NullHandler
 
 log = Logger("Test logger")
diff --git a/benchmark/bench_disabled_logger.py b/benchmark/bench_disabled_logger.py
index 3572da6..56097f2 100644
--- a/benchmark/bench_disabled_logger.py
+++ b/benchmark/bench_disabled_logger.py
@@ -1,4 +1,5 @@
 """Tests with the whole logger disabled"""
+
 from logbook import Logger
 
 log = Logger("Test logger")
diff --git a/benchmark/bench_enabled_introspection.py b/benchmark/bench_enabled_introspection.py
index 11013bf..8289a60 100644
--- a/benchmark/bench_enabled_introspection.py
+++ b/benchmark/bench_enabled_introspection.py
@@ -1,4 +1,5 @@
 """Tests with stack frame introspection enabled"""
+
 from logbook import Flags, Logger, NullHandler
 
 log = Logger("Test logger")
diff --git a/benchmark/bench_file_handler.py b/benchmark/bench_file_handler.py
index 6b2c0cf..738e426 100644
--- a/benchmark/bench_file_handler.py
+++ b/benchmark/bench_file_handler.py
@@ -1,4 +1,5 @@
 """Benchmarks the file handler"""
+
 from tempfile import NamedTemporaryFile
 
 from logbook import FileHandler, Logger
diff --git a/benchmark/bench_file_handler_unicode.py b/benchmark/bench_file_handler_unicode.py
index 10059df..27a3574 100644
--- a/benchmark/bench_file_handler_unicode.py
+++ b/benchmark/bench_file_handler_unicode.py
@@ -1,4 +1,5 @@
 """Benchmarks the file handler with unicode"""
+
 from tempfile import NamedTemporaryFile
 
 from logbook import FileHandler, Logger
diff --git a/benchmark/bench_logger_creation.py b/benchmark/bench_logger_creation.py
index 0019084..ef11231 100644
--- a/benchmark/bench_logger_creation.py
+++ b/benchmark/bench_logger_creation.py
@@ -1,4 +1,5 @@
 """Test with no handler active"""
+
 from logbook import Logger
 
 
diff --git a/benchmark/bench_logger_level_low.py b/benchmark/bench_logger_level_low.py
index 1ec47b4..b28fa5d 100644
--- a/benchmark/bench_logger_level_low.py
+++ b/benchmark/bench_logger_level_low.py
@@ -1,4 +1,5 @@
 """Benchmarks too low logger levels"""
+
 from io import StringIO
 
 from logbook import ERROR, Logger, StreamHandler
diff --git a/benchmark/bench_logging_file_handler.py b/benchmark/bench_logging_file_handler.py
index 37be718..dc236c5 100644
--- a/benchmark/bench_logging_file_handler.py
+++ b/benchmark/bench_logging_file_handler.py
@@ -1,4 +1,5 @@
 """Tests logging file handler in comparison"""
+
 from logging import FileHandler, getLogger
 from tempfile import NamedTemporaryFile
 
diff --git a/benchmark/bench_logging_file_handler_unicode.py b/benchmark/bench_logging_file_handler_unicode.py
index 7ff319f..c937449 100644
--- a/benchmark/bench_logging_file_handler_unicode.py
+++ b/benchmark/bench_logging_file_handler_unicode.py
@@ -1,4 +1,5 @@
 """Tests logging file handler in comparison"""
+
 from logging import FileHandler, getLogger
 from tempfile import NamedTemporaryFile
 
diff --git a/benchmark/bench_logging_logger_creation.py b/benchmark/bench_logging_logger_creation.py
index 3004f29..830f765 100644
--- a/benchmark/bench_logging_logger_creation.py
+++ b/benchmark/bench_logging_logger_creation.py
@@ -1,4 +1,5 @@
 """Test with no handler active"""
+
 from logging import getLogger
 
 root_logger = getLogger()
diff --git a/benchmark/bench_logging_logger_level_low.py b/benchmark/bench_logging_logger_level_low.py
index 4e018ad..2185ded 100644
--- a/benchmark/bench_logging_logger_level_low.py
+++ b/benchmark/bench_logging_logger_level_low.py
@@ -1,4 +1,5 @@
 """Tests with a logging handler becoming a noop for comparison"""
+
 from io import StringIO
 from logging import ERROR, StreamHandler, getLogger
 
diff --git a/benchmark/bench_logging_noop.py b/benchmark/bench_logging_noop.py
index ad942e1..81319c6 100644
--- a/benchmark/bench_logging_noop.py
+++ b/benchmark/bench_logging_noop.py
@@ -1,4 +1,5 @@
 """Tests with a logging handler becoming a noop for comparison"""
+
 from io import StringIO
 from logging import ERROR, StreamHandler, getLogger
 
diff --git a/benchmark/bench_logging_noop_filter.py b/benchmark/bench_logging_noop_filter.py
index 13a6de5..7035084 100644
--- a/benchmark/bench_logging_noop_filter.py
+++ b/benchmark/bench_logging_noop_filter.py
@@ -1,4 +1,5 @@
 """Tests with a filter disabling a handler for comparsion in logging"""
+
 from io import StringIO
 from logging import Filter, StreamHandler, getLogger
 
diff --git a/benchmark/bench_logging_stream_handler.py b/benchmark/bench_logging_stream_handler.py
index 7935b80..09512a8 100644
--- a/benchmark/bench_logging_stream_handler.py
+++ b/benchmark/bench_logging_stream_handler.py
@@ -1,4 +1,5 @@
 """Tests the stream handler in logging"""
+
 from io import StringIO
 from logging import Logger, StreamHandler
 
diff --git a/benchmark/bench_noop.py b/benchmark/bench_noop.py
index 3b9f6ba..bdf7b97 100644
--- a/benchmark/bench_noop.py
+++ b/benchmark/bench_noop.py
@@ -1,4 +1,5 @@
 """Test with no handler active"""
+
 from io import StringIO
 
 from logbook import ERROR, Logger, NullHandler, StreamHandler
diff --git a/benchmark/bench_noop_filter_on_handler.py b/benchmark/bench_noop_filter_on_handler.py
index 255a42c..392b153 100644
--- a/benchmark/bench_noop_filter_on_handler.py
+++ b/benchmark/bench_noop_filter_on_handler.py
@@ -1,4 +1,5 @@
 """Like the filter test, but with the should_handle implemented"""
+
 from io import StringIO
 
 from logbook import Logger, NullHandler, StreamHandler
diff --git a/benchmark/bench_redirect_from_logging.py b/benchmark/bench_redirect_from_logging.py
index 1b4ab14..f0a0df9 100644
--- a/benchmark/bench_redirect_from_logging.py
+++ b/benchmark/bench_redirect_from_logging.py
@@ -1,4 +1,5 @@
 """Tests redirects from logging to logbook"""
+
 from io import StringIO
 from logging import getLogger
 
diff --git a/benchmark/bench_redirect_to_logging.py b/benchmark/bench_redirect_to_logging.py
index b19a296..dcf2a1d 100644
--- a/benchmark/bench_redirect_to_logging.py
+++ b/benchmark/bench_redirect_to_logging.py
@@ -1,4 +1,5 @@
 """Tests redirects from logging to logbook"""
+
 from io import StringIO
 from logging import StreamHandler, getLogger
 
diff --git a/benchmark/bench_stack_manipulation.py b/benchmark/bench_stack_manipulation.py
index 671262a..d3bece2 100644
--- a/benchmark/bench_stack_manipulation.py
+++ b/benchmark/bench_stack_manipulation.py
@@ -1,4 +1,5 @@
 """Tests basic stack manipulation performance"""
+
 from io import StringIO
 from tempfile import NamedTemporaryFile
 
diff --git a/benchmark/bench_stream_handler.py b/benchmark/bench_stream_handler.py
index f3ae875..b3cfda1 100644
--- a/benchmark/bench_stream_handler.py
+++ b/benchmark/bench_stream_handler.py
@@ -1,4 +1,5 @@
 """Tests the stream handler"""
+
 from io import StringIO
 
 from logbook import Logger, StreamHandler
diff --git a/benchmark/bench_test_handler.py b/benchmark/bench_test_handler.py
index aa17dc2..818e3a0 100644
--- a/benchmark/bench_test_handler.py
+++ b/benchmark/bench_test_handler.py
@@ -1,4 +1,5 @@
 """Tests the test handler"""
+
 from logbook import Logger, TestHandler
 
 log = Logger("Test logger")
diff --git a/pyproject.toml b/pyproject.toml
index 49bb0ad..01ffea0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,13 +16,13 @@ maintainers = [
 ]
 classifiers = [
     "Programming Language :: Python :: 3 :: Only",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 
 [project.urls]
diff --git a/src/logbook/__version__.py b/src/logbook/__version__.py
index 365ce3d..29654ee 100644
--- a/src/logbook/__version__.py
+++ b/src/logbook/__version__.py
@@ -1 +1 @@
-__version__ = "1.7.0.post0"
+__version__ = "1.8.0"
diff --git a/src/logbook/_fallback.py b/src/logbook/_fallback.py
index c011f2b..e314ee4 100644
--- a/src/logbook/_fallback.py
+++ b/src/logbook/_fallback.py
@@ -7,6 +7,7 @@
     :copyright: (c) 2010 by Armin Ronacher, Georg Brandl.
     :license: BSD, see LICENSE for more details.
 """
+
 from itertools import count
 
 from logbook.concurrency import (
diff --git a/src/logbook/base.py b/src/logbook/base.py
index 470577a..4ae5a2c 100644
--- a/src/logbook/base.py
+++ b/src/logbook/base.py
@@ -7,6 +7,7 @@
     :copyright: (c) 2010 by Armin Ronacher, Georg Brandl.
     :license: BSD, see LICENSE for more details.
 """
+
 import os
 import sys
 import traceback
diff --git a/src/logbook/compat.py b/src/logbook/compat.py
index c79fef1..a2d0073 100644
--- a/src/logbook/compat.py
+++ b/src/logbook/compat.py
@@ -8,14 +8,17 @@
     :copyright: (c) 2010 by Armin Ronacher, Georg Brandl.
     :license: BSD, see LICENSE for more details.
 """
+
 import logging
 import sys
 import warnings
 from collections.abc import Mapping
-from datetime import date, datetime, timezone
+from datetime import timezone
 
 import logbook
 
+from .helpers import datetime_utcfromtimestamp
+
 
 def redirect_logging(set_root_logger_level=True):
     """Permanently redirects logging to the stdlib.  This also
@@ -140,7 +143,7 @@ def convert_time(self, timestamp):
         """Converts the UNIX timestamp of the old record into a
         datetime object as used by logbook.
         """
-        return datetime.utcfromtimestamp(timestamp)
+        return datetime_utcfromtimestamp(timestamp)
 
     def convert_record(self, old_record):
         """Converts an old logging record into a logbook log record."""
diff --git a/src/logbook/handlers.py b/src/logbook/handlers.py
index 287e3fc..f718a8c 100644
--- a/src/logbook/handlers.py
+++ b/src/logbook/handlers.py
@@ -7,6 +7,7 @@
     :copyright: (c) 2010 by Armin Ronacher, Georg Brandl.
     :license: BSD, see LICENSE for more details.
 """
+
 import errno
 import gzip
 import math
diff --git a/src/logbook/helpers.py b/src/logbook/helpers.py
index eb58304..603df98 100644
--- a/src/logbook/helpers.py
+++ b/src/logbook/helpers.py
@@ -7,6 +7,7 @@
     :copyright: (c) 2010 by Armin Ronacher, Georg Brandl.
     :license: BSD, see LICENSE for more details.
 """
+
 import errno
 import os
 import random
@@ -136,8 +137,6 @@ def _convert(obj):
             for key, value in obj.items():
                 if not isinstance(key, str):
                     key = str(key)
-                if not isinstance(key, str):
-                    key = key
                 rv[key] = _convert(value)
             return rv
 
@@ -153,8 +152,16 @@ def datetime_utcnow():
         """
         return datetime.now(timezone.utc).replace(tzinfo=None)
 
+    def datetime_utcfromtimestamp(timestamp):
+        """datetime.utcfromtimesetamp() but doesn't emit a deprecation warning.
+
+        Will be fixed by https://github.com/getlogbook/logbook/issues/353
+        """
+        return datetime.fromtimestamp(timestamp, timezone.utc).replace(tzinfo=None)
+
 else:
     datetime_utcnow = datetime.utcnow
+    datetime_utcfromtimestamp = datetime.utcfromtimestamp
 
 
 def format_iso8601(d=None):
diff --git a/src/logbook/more.py b/src/logbook/more.py
index d9bb8d2..64ab4a7 100644
--- a/src/logbook/more.py
+++ b/src/logbook/more.py
@@ -7,6 +7,7 @@
     :copyright: (c) 2010 by Armin Ronacher, Georg Brandl.
     :license: BSD, see LICENSE for more details.
 """
+
 import os
 import platform
 import re
@@ -232,7 +233,6 @@ def emit(self, record):
 
 
 class SlackHandler(Handler, StringFormatterHandlerMixin):
-
     """A handler that logs to slack.  Requires that you sign up an
     application on slack and request an api token.  Furthermore the
     slacker library has to be installed.
@@ -520,7 +520,6 @@ def flush(self):
 
 
 class RiemannHandler(Handler):
-
     """
     A handler that sends logs as events to Riemann.
     """
diff --git a/src/logbook/notifiers.py b/src/logbook/notifiers.py
index 4199adc..1f391c1 100644
--- a/src/logbook/notifiers.py
+++ b/src/logbook/notifiers.py
@@ -7,6 +7,7 @@
     :copyright: (c) 2010 by Armin Ronacher, Christopher Grebs.
     :license: BSD, see LICENSE for more details.
 """
+
 import base64
 import os
 import sys
diff --git a/src/logbook/queues.py b/src/logbook/queues.py
index 9d9454f..d0c0795 100644
--- a/src/logbook/queues.py
+++ b/src/logbook/queues.py
@@ -7,6 +7,7 @@
     :copyright: (c) 2010 by Armin Ronacher, Georg Brandl.
     :license: BSD, see LICENSE for more details.
 """
+
 import json
 import platform
 import threading
diff --git a/src/logbook/ticketing.py b/src/logbook/ticketing.py
index e463693..84d820c 100644
--- a/src/logbook/ticketing.py
+++ b/src/logbook/ticketing.py
@@ -8,6 +8,7 @@
     :copyright: (c) 2010 by Armin Ronacher, Georg Brandl.
     :license: BSD, see LICENSE for more details.
 """
+
 import json
 from time import time
 
diff --git a/tests/test_logging_times.py b/tests/test_logging_times.py
index a27bf06..46da2c9 100644
--- a/tests/test_logging_times.py
+++ b/tests/test_logging_times.py
@@ -1,4 +1,4 @@
-from datetime import datetime, timedelta, tzinfo
+from datetime import datetime, timedelta, timezone, tzinfo
 
 import pytest
 
@@ -25,7 +25,7 @@ def test_timedate_format(activation_strategy, logger):
 
     # get the expected difference between local and utc time
     t1 = datetime.now()
-    t2 = datetime.utcnow()
+    t2 = datetime.now(timezone.utc).replace(tzinfo=None)
 
     tz_minutes_diff = (t1 - t2).total_seconds() / 60.0
 
diff --git a/tests/utils.py b/tests/utils.py
index 277d9be..3eb5908 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -5,6 +5,7 @@
     :copyright: (c) 2010 by Armin Ronacher, Georg Brandl.
     :license: BSD, see LICENSE for more details.
 """
+
 import functools
 import importlib
 import sys
diff --git a/tox.ini b/tox.ini
index 499ed52..c55559b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py{38,39,310,311,312}{,-nospeedups},pypy,docs
+envlist = py{39,310,311,312,313}{,-nospeedups},pypy,docs
 
 [testenv]
 extras =
@@ -27,8 +27,8 @@ commands =
 
 [gh-actions]
 python =
-    3.8: py38
     3.9: py39
     3.10: py310
     3.11: py311, docs
     3.12: py312
+    3.13: py313