diff --git a/pyproject.toml b/pyproject.toml
index 56859291e..a7b690164 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -75,14 +75,15 @@ dev = [
     "pre-commit>=4",
     "pyinstaller>=6",
     "pylint>=3.2",
-    "pytest>=8",
     "pytest-cov>=6",
+    "pytest>=8",
     "requests>=2",
+    "ruff>=0.9.0",
     "setuptools>=67",
-    "sphinx>=7",
     "sphinx-autodoc-typehints>=2",
-    "tox>=4",
+    "sphinx>=7",
     "tox-uv>=1",
+    "tox>=4",
     "twine>=5",
     "types-setuptools>=67",
     "types-simplejson>=3",
@@ -90,12 +91,12 @@ dev = [
 # Pin some lower bounds for transitive dependencies in the old_deps tests
 # This a basically determined by increasing them until getting a combination that runs.
 old_deps_pins = [
-    "bottle>=0.12.20",  # older ones didn't build
+    "bottle>=0.12.20",         # older ones didn't build
     "importlib_metadata>=3.6",
     "jaraco-functools>=4",
-    "lxml>=5.3.0",  # older ones don't have wheels for recent Python versions
+    "lxml>=5.3.0",             # older ones don't have wheels for recent Python versions
     "more-itertools>=6",
-    "pytest>=7.2",  # also used for running the tests of Fava, needs to somewhat recent
+    "pytest>=7.2",             # also used for running the tests of Fava, needs to somewhat recent
     "python-dateutil>=2",
     "pytz>=2020",
     "setuptools>=67",