diff --git a/pip_check_reqs/find_extra_reqs.py b/pip_check_reqs/find_extra_reqs.py
index a7c6e1a..965b3ba 100644
--- a/pip_check_reqs/find_extra_reqs.py
+++ b/pip_check_reqs/find_extra_reqs.py
@@ -121,8 +121,7 @@ def main(arguments: list[str] | None = None) -> None:
         type=Path,
         metavar="PATH",
         default=Path("requirements.txt"),
-        help="path to the requirements file "
-        '(defaults to "requirements.txt")',
+        help='path to the requirements file (defaults to "requirements.txt")',
     )
     parser.add_argument(
         "-f",
diff --git a/pip_check_reqs/find_missing_reqs.py b/pip_check_reqs/find_missing_reqs.py
index de3484a..d02ee80 100644
--- a/pip_check_reqs/find_missing_reqs.py
+++ b/pip_check_reqs/find_missing_reqs.py
@@ -121,8 +121,7 @@ def main(arguments: list[str] | None = None) -> None:
         metavar="PATH",
         type=Path,
         default="requirements.txt",
-        help="path to the requirements file "
-        '(defaults to "requirements.txt")',
+        help='path to the requirements file (defaults to "requirements.txt")',
     )
     parser.add_argument(
         "-f",
diff --git a/pyproject.toml b/pyproject.toml
index 9eaa959..d0ab139 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,8 +66,6 @@ lint.select = [
 ]
 
 lint.ignore = [
-  # We do not annotate the type of 'self', or 'cls'.
-  "ANN101",
   # We are missing too many docstrings to quickly fix now.
   "D100",
   "D103",
diff --git a/test-requirements.txt b/test-requirements.txt
index b70fd55..24dd5e5 100644
--- a/test-requirements.txt
+++ b/test-requirements.txt
@@ -8,4 +8,4 @@ pyroma==4.2
 pytest==8.3.4
 pytest-cov==6.0.0
 ruamel.yaml==0.18.10
-ruff==0.9.0
+ruff==0.9.1
diff --git a/tests/test_common.py b/tests/test_common.py
index 904acd6..6566a11 100644
--- a/tests/test_common.py
+++ b/tests/test_common.py
@@ -143,9 +143,9 @@ def test_find_imported_modules_frozen(
         if spec is not None and spec.origin == "frozen":
             frozen_item_names.append(name)
 
-    assert (
-        frozen_item_names
-    ), "This test is only valid if there are frozen modules in sys.modules"
+    assert frozen_item_names, (
+        "This test is only valid if there are frozen modules in sys.modules"
+    )
 
     spam = tmp_path / "spam.py"
     statement = f"import {frozen_item_names[0]}"