diff --git a/pyproject.toml b/pyproject.toml
index 3bd98a7..edae853 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -70,3 +70,22 @@ disable_error_code = [
     "override",
 ]
 strict = true
+
+[tool.ruff]
+line-length = 160
+
+[tool.ruff.lint]
+select = [
+    "E",
+    "W",
+    "F",
+    "UP",
+    "B0",
+    "C4",
+]
+ignore = [
+    "E74",
+]
+
+[tool.ruff.lint.pyupgrade]
+keep-runtime-typing = true
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index c81ebeb..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,6 +0,0 @@
-[sdist]
-group = users
-
-[flake8]
-extend-ignore = E129, E741
-max-line-length = 160
diff --git a/tox.ini b/tox.ini
index b58019f..366ee9d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -7,8 +7,7 @@ isolated_build = True
 deps =
     coverage[toml] >= 5.0
     setuptools >= 61.0
-    flake8 >= 3.6
-    flake8-bugbear
+    ruff
     mypy
     scmver[toml] >= 1.7
 passenv = *FLAGS, INCLUDE, LC_*, LIB, MSSdk, Program*
@@ -19,6 +18,6 @@ commands =
     coverage run --source=zopfli -m unittest discover -s tests {posargs}
     coverage report
 # lint
-    flake8
+    ruff check
 # type
     mypy zopfli