diff --git a/.github/workflows/cibuildwheel.yaml b/.github/workflows/cibuildwheel.yaml
index 5e0ba8554..dfbdf1a81 100644
--- a/.github/workflows/cibuildwheel.yaml
+++ b/.github/workflows/cibuildwheel.yaml
@@ -113,11 +113,9 @@ jobs:
           - name: musllinux_x86_64
             os: ubuntu-latest
           - name: manylinux_aarch64
-            os: ubuntu-latest
-            emulation: true
+            os: ubuntu-24.04-arm
           - name: musllinux_aarch64
-            os: ubuntu-latest
-            emulation: true
+            os: ubuntu-24.04-arm
           - name: manylinux_s390x
             os: ubuntu-latest
             emulation: true
diff --git a/.github/workflows/test-wheels.yaml b/.github/workflows/test-wheels.yaml
index 30c866f58..877ac680b 100644
--- a/.github/workflows/test-wheels.yaml
+++ b/.github/workflows/test-wheels.yaml
@@ -17,8 +17,7 @@ jobs:
       matrix:
         platform:
           - build: "cp313-manylinux_aarch64"
-            os: ubuntu-latest
-            emulation: true
+            os: ubuntu-24.04-arm
           - build: "cp313-manylinux_s390x"
             os: ubuntu-latest
             emulation: true
diff --git a/falcon/bench/dj/dj/settings.py b/falcon/bench/dj/dj/settings.py
index 15f575007..42b3121a1 100644
--- a/falcon/bench/dj/dj/settings.py
+++ b/falcon/bench/dj/dj/settings.py
@@ -89,8 +89,7 @@
 AUTH_PASSWORD_VALIDATORS = [
     {
         'NAME': (
-            'django.contrib.auth.password_validation'
-            '.UserAttributeSimilarityValidator'
+            'django.contrib.auth.password_validation.UserAttributeSimilarityValidator'
         ),
     },
     {
diff --git a/falcon/routing/compiled.py b/falcon/routing/compiled.py
index 836288780..0efda166a 100644
--- a/falcon/routing/compiled.py
+++ b/falcon/routing/compiled.py
@@ -405,8 +405,7 @@ def _validate_template_segment(self, segment: str, used_names: Set[str]) -> None
 
             if name in used_names:
                 msg_template = (
-                    'Field names may not be duplicated '
-                    '("{0}" was used more than once)'
+                    'Field names may not be duplicated ("{0}" was used more than once)'
                 )
                 msg = msg_template.format(name)
                 raise UnacceptableRouteError(msg)
diff --git a/falcon/stream.py b/falcon/stream.py
index 127c44ffc..5552df450 100644
--- a/falcon/stream.py
+++ b/falcon/stream.py
@@ -170,8 +170,7 @@ def eof(self) -> bool:
     @property
     # NOTE(caselit): Deprecated long ago. Warns since 4.0.
     @deprecated(
-        'Use `eof` instead. '
-        '(This compatibility alias will be removed in Falcon 5.0.)',
+        'Use `eof` instead. (This compatibility alias will be removed in Falcon 5.0.)',
         is_property=True,
     )
     def is_exhausted(self) -> bool:
diff --git a/falcon/util/mediatypes.py b/falcon/util/mediatypes.py
index 8453bfb5b..74b63d44e 100644
--- a/falcon/util/mediatypes.py
+++ b/falcon/util/mediatypes.py
@@ -146,8 +146,7 @@ class _MediaRange:
     _NOT_MATCHING = (-1, -1, -1, -1, 0.0)
 
     _Q_VALUE_ERROR_MESSAGE = (
-        'If provided, the q parameter must be a real number '
-        'in the range 0 through 1.'
+        'If provided, the q parameter must be a real number in the range 0 through 1.'
     )
 
     @classmethod
diff --git a/tests/asgi/test_boundedstream_asgi.py b/tests/asgi/test_boundedstream_asgi.py
index 54e16c65f..d35157b2a 100644
--- a/tests/asgi/test_boundedstream_asgi.py
+++ b/tests/asgi/test_boundedstream_asgi.py
@@ -179,9 +179,9 @@ async def test_iterate_streaming_request():
 
     async def receive():
         event = next(events)
-        assert (
-            event['type'] != 'http.disconnect'
-        ), 'would hang until the client times out'
+        assert event['type'] != 'http.disconnect', (
+            'would hang until the client times out'
+        )
         return event
 
     s = asgi.BoundedStream(receive)
diff --git a/tests/test_buffered_reader.py b/tests/test_buffered_reader.py
index 247676cb8..8da183173 100644
--- a/tests/test_buffered_reader.py
+++ b/tests/test_buffered_reader.py
@@ -289,10 +289,7 @@ def test_exhaust(shorter_stream):
 
 def test_readline():
     source = (
-        b'Hello, world!\n'
-        b'A line.\n'
-        b'\n'
-        b'A longer line... \n' + b'SPAM ' * 7 + b'\n' + b'\n'
+        b'Hello, world!\nA line.\n\nA longer line... \n' + b'SPAM ' * 7 + b'\n' + b'\n'
     )
 
     stream = BufferedReader(io.BytesIO(source).read, len(source))
diff --git a/tests/test_headers.py b/tests/test_headers.py
index 871e08960..2202a099f 100644
--- a/tests/test_headers.py
+++ b/tests/test_headers.py
@@ -218,10 +218,7 @@ def on_post(self, req, resp):
             ' Max-Age=600; path=/'
         )
         resp.append_header('Set-Cookie', c1)
-        c2 = (
-            'partner_source=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT;'
-            ' Max-Age=0'
-        )
+        c2 = 'partner_source=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0'
         resp.append_header('seT-cookie', c2)
 
 
diff --git a/tests/test_middleware.py b/tests/test_middleware.py
index 28da56189..590cee21a 100644
--- a/tests/test_middleware.py
+++ b/tests/test_middleware.py
@@ -237,12 +237,12 @@ def test_log_get_request(self, independent_middleware, asgi, util):
         assert 'start_time' in context
         assert 'mid_time' in context
         assert 'end_time' in context
-        assert (
-            context['mid_time'] >= context['start_time']
-        ), 'process_resource not executed after request'
-        assert (
-            context['end_time'] >= context['start_time']
-        ), 'process_response not executed after request'
+        assert context['mid_time'] >= context['start_time'], (
+            'process_resource not executed after request'
+        )
+        assert context['end_time'] >= context['start_time'], (
+            'process_response not executed after request'
+        )
 
         assert context['req_succeeded']
 
@@ -307,12 +307,12 @@ def test_generate_trans_id_and_time_with_request(
         assert 'start_time' in context
         assert 'mid_time' in context
         assert 'end_time' in context
-        assert (
-            context['mid_time'] >= context['start_time']
-        ), 'process_resource not executed after request'
-        assert (
-            context['end_time'] >= context['start_time']
-        ), 'process_response not executed after request'
+        assert context['mid_time'] >= context['start_time'], (
+            'process_resource not executed after request'
+        )
+        assert context['end_time'] >= context['start_time'], (
+            'process_response not executed after request'
+        )
 
     def test_legacy_middleware_called_with_correct_args(self, asgi, util):
         global context
diff --git a/tests/test_recipes.py b/tests/test_recipes.py
index d4c4120ec..e5a039c4b 100644
--- a/tests/test_recipes.py
+++ b/tests/test_recipes.py
@@ -86,8 +86,7 @@ def on_get(self, req, resp):
             resp.media = {
                 'author': 'Grace Hopper',
                 'quote': (
-                    "I've always been more interested in "
-                    'the future than in the past.'
+                    "I've always been more interested in the future than in the past."
                 ),
             }
 
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 14da664f7..2e545f352 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -184,8 +184,7 @@ def test_pack_query_params_one(self):
         assert falcon.to_query_str({'things': ['a', 'b']}) == '?things=a,b'
 
         expected = (
-            '?things=a&things=b&things=&things=None'
-            '&things=true&things=false&things=0'
+            '?things=a&things=b&things=&things=None&things=true&things=false&things=0'
         )
 
         actual = falcon.to_query_str(
diff --git a/tools/add_contributors.py b/tools/add_contributors.py
index a25881a47..842b9c1be 100755
--- a/tools/add_contributors.py
+++ b/tools/add_contributors.py
@@ -110,9 +110,9 @@ def _update_towncrier_template(template, contributors):
     contributors = set(contributors)
     contributors.update(matches[::2])
     for separator in matches[1::2]:
-        assert (
-            separator == ''
-        ), f'unexpected separator between contributor lines: {separator!r}'
+        assert separator == '', (
+            f'unexpected separator between contributor lines: {separator!r}'
+        )
 
     with open(template, 'w') as template_file:
         template_file.write(content)
diff --git a/tox.ini b/tox.ini
index 8cf52b9c1..cbf530f4e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -253,12 +253,12 @@ commands = {[smoke-test]commands}
 # --------------------------------------------------------------------
 
 [testenv:pep8]
-deps = ruff
+deps = ruff>=0.9.2
 skip_install = True
 commands = ruff check []
 
 [testenv:pep8-docstrings]
-deps = ruff
+deps = ruff>=0.9.2
 skip_install = True
 commands = ruff check \
              --exclude=.ecosystem,.eggs,.git,.tox,.venv,build,dist,docs,examples,tests,falcon/bench/nuts \
@@ -266,12 +266,12 @@ commands = ruff check \
              []
 
 [testenv:ruff]
-deps = ruff>=0.3.7
+deps = ruff>=0.9.2
 skip_install = True
 commands = ruff format --check . []
 
 [testenv:reformat]
-deps = ruff>=0.3.7
+deps = ruff>=0.9.2
 skip_install = True
 commands =
     ruff format . []