diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 29a6aa07..36b63be7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,18 +32,11 @@ jobs:
   lint:
 
     runs-on: ubuntu-22.04
-    timeout-minutes: 10
+    timeout-minutes: 2
 
     steps:
     - uses: actions/checkout@v3
-    - name: Set up Python
-      uses: actions/setup-python@v4
-      with:
-        python-version: 3.9
-    - name: Lint with flake8
-      run: |
-        pip install flake8
-        flake8 src scripts conftest.py
+    - uses: chartboost/ruff-action@v1
 
   linux:
 
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 2ce85f8a..5b6d0d39 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -3,8 +3,7 @@ repos:
     rev: 23.1.0
     hooks:
     -   id: black
--   repo: https://github.com/pycqa/flake8
-    rev: 6.0.0
-    hooks:
-    -   id: flake8
-        files: '(src|scripts|conftest.py)'
+- repo: https://github.com/astral-sh/ruff-pre-commit
+  rev: v0.0.287
+  hooks:
+    - id: ruff
diff --git a/docs/conf.py b/docs/conf.py
index 44d33d5a..4e5a6e17 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -12,7 +12,8 @@
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
-import sys, os
+import sys
+import os
 
 sys.path.insert(0, os.path.abspath("../src"))
 
diff --git a/pyproject.toml b/pyproject.toml
index eced3323..6912a82e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,3 +12,58 @@ write_to_template = "__version__ = version = {version!r}\n"
 [tool.black]
 line-length = 120
 skip-magic-trailing-comma = true
+
+[tool.ruff]
+line-length = 120
+target-version = "py39"
+
+# Enable pycodestyle (`E`) and Pyflakes (`F`) codes by default.
+select = ["E", "F"]
+
+# for reference ...
+#   E402 module level import not at top
+#   E501 line too long
+#   F401 import unused
+#   F405 undefined or defined from star imports
+#   F811 redef of unused var
+
+# borg code style guidelines:
+# Ignoring E203 due to https://github.com/PyCQA/pycodestyle/issues/373
+ignore = ["E203", "F405", "E402"]
+
+# Allow autofix for all enabled rules (when `--fix`) is provided.
+fixable = ["A", "B", "C", "D", "E", "F", "G", "I", "N", "Q", "S", "T", "W", "ANN", "ARG", "BLE", "COM", "DJ", "DTZ", "EM", "ERA", "EXE", "FBT", "ICN", "INP", "ISC", "NPY", "PD", "PGH", "PIE", "PL", "PT", "PTH", "PYI", "RET", "RSE", "RUF", "SIM", "SLF", "TCH", "TID", "TRY", "UP", "YTT"]
+unfixable = []
+
+# Exclude a variety of commonly ignored directories.
+exclude = [
+    ".cache",
+    ".eggs",
+    ".git",
+    ".git-rewrite",
+    ".idea",
+    ".mypy_cache",
+    ".ruff_cache",
+    ".tox",
+    "build",
+    "dist",
+]
+
+# Allow unused variables when underscore-prefixed.
+dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
+
+# Code style violation exceptions:
+# please note that the values are adjusted so that they do not cause failures
+# with existing code. if you want to change them, you should first fix all
+# ruff failures that appear with your change.
+[tool.ruff.per-file-ignores]
+"setup_docs.py" = ["E501"]
+"src/borg/archive.py" = ["E501"]
+"src/borg/archiver/help_cmd.py" = ["E501"]
+"src/borg/cache.py" = ["E501"]
+"src/borg/helpers/__init__.py" = ["F401"]
+"src/borg/platform/__init__.py" = ["F401"]
+"src/borg/testsuite/archiver/disk_full.py" = ["F811"]
+"src/borg/testsuite/archiver/return_codes.py" = ["F811"]
+"src/borg/testsuite/benchmark.py" = ["F811"]
+"src/borg/testsuite/platform.py" = ["F811"]
diff --git a/setup.cfg b/setup.cfg
index 90c52a95..afe4e95a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -74,39 +74,6 @@ python_files = testsuite/*.py
 markers =
     allow_cache_wipe
 
-[flake8]
-# for reference ...
-#   E402 module level import not at top
-#   E501 line too long
-#   F401 import unused
-#   F405 undefined or defined from star imports
-#   F811 redef of unused var
-#   #### Pick either W503, or W504 - latest recommendation from pep8 is to ignore W503
-#   W503 line break before binary operator
-#   W504 line break after binary operator
-
-# borg code style guidelines:
-# Ignoring E203 due to https://github.com/PyCQA/pycodestyle/issues/373
-ignore = W503, E203, F405, E402
-
-# Code style violation exceptions:
-# please note that the values are adjusted so that they do not cause failures
-# with existing code. if you want to change them, you should first fix all
-# flake8 failures that appear with your change.
-per_file_ignores =
-    src/borg/archive.py:E501
-    src/borg/archiver/help_cmd.py:E501
-    src/borg/cache.py:E501
-    src/borg/helpers/__init__.py:F401
-    src/borg/platform/__init__.py:F401
-    src/borg/testsuite/archiver/disk_full.py:F811
-    src/borg/testsuite/archiver/return_codes.py:F811
-    src/borg/testsuite/benchmark.py:F811
-    src/borg/testsuite/platform.py:F811
-
-max_line_length = 120
-exclude = build,dist,.git,.idea,.cache,.tox
-
 [mypy]
 python_version = 3.9
 strict_optional = False
diff --git a/src/borg/item.pyi b/src/borg/item.pyi
index 19192f52..8cb2df43 100644
--- a/src/borg/item.pyi
+++ b/src/borg/item.pyi
@@ -1,4 +1,4 @@
-from typing import FrozenSet, Set, NamedTuple, Tuple, Mapping, Dict, List, Iterator, Callable, Any, Optional
+from typing import Set, NamedTuple, Tuple, Mapping, Dict, List, Iterator, Callable, Any, Optional
 
 from .helpers import StableDict
 
@@ -96,7 +96,7 @@ class ArchiveItem(PropDict):
     def items(self, val: List) -> None: ...
     @property
     def item_ptrs(self) -> List: ...
-    @items.setter
+    @item_ptrs.setter
     def item_ptrs(self, val: List) -> None: ...
 
 class ChunkListEntry(NamedTuple):
diff --git a/tox.ini b/tox.ini
index a4a8b1d7..8dc396d5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,13 +28,13 @@ passenv = *
 passenv = *  # needed by tox4, so env vars are visible for building borg
 
 
-[testenv:flake8]
+[testenv:ruff]
 skip_sdist=true
 skip_install=true
 changedir =
 deps =
-    flake8
-commands = flake8 src scripts conftest.py
+    ruff
+commands = ruff check .
 
 [testenv:mypy]
 changedir =