diff --git a/pyproject.toml b/pyproject.toml
index e4c3d70..e48017a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,6 +49,9 @@ vmh = "vmh.cli:app"
 pythonpath = "."
 filterwarnings = 'ignore'
 
+[tool.ruff]
+line-length = 79
+
 [tool.ruff.lint]
 select = ['I', 'N', 'F', 'E', 'W', 'D', 'PL']
 ignore = ['D100', 'D101', 'D103', 'D104', 'D203', 'D213', 'PLR0913']
diff --git a/tests/test_audio.py b/tests/test_audio.py
index 944fe7f..1be4cdc 100644
--- a/tests/test_audio.py
+++ b/tests/test_audio.py
@@ -4,7 +4,12 @@
 
 from pydub import AudioSegment
 
-from vmh.audio import _audio_chain, cut_silences, detect_silences, extract_audio
+from vmh.audio import (
+    _audio_chain,
+    cut_silences,
+    detect_silences,
+    extract_audio,
+)
 
 audio_stub = {
     'path': 'tests/test_assets/audio_test.wav',
@@ -152,9 +157,7 @@ def test_cut_audio_silences(tmpdir):
     inpurt_file = 'tests/test_assets/sas.wav'
     output_file = tmpdir / 'out.mp3'
     expected_size = 1
-    cut_silences(
-        inpurt_file, output_file
-    )
+    cut_silences(inpurt_file, output_file)
 
     audio_seg: AudioSegment = AudioSegment.from_mp3(str(output_file))
 
diff --git a/vmh/audio.py b/vmh/audio.py
index 9d484da..2cf9d43 100644
--- a/vmh/audio.py
+++ b/vmh/audio.py
@@ -66,7 +66,10 @@ def extract_audio(
     if eq:
         _eq_path = Path(output_file)
         eq_path = _eq_path.parent / ('eq_' + _eq_path.name)
-        return Path(output_file), Path(process_audio(output_file, str(eq_path)))
+        return (
+            Path(output_file),
+            Path(process_audio(output_file, str(eq_path))),
+        )
 
     return Path(output_file)
 
diff --git a/vmh/equalize.py b/vmh/equalize.py
index b3d5a39..bbf1bee 100644
--- a/vmh/equalize.py
+++ b/vmh/equalize.py
@@ -39,7 +39,9 @@ def _get_board() -> Pedalboard:
     """
     effects = fx_chain
 
-    plugins = [getattr(pedalboard, effect)(**effects[effect]) for effect in effects]
+    plugins = [
+        getattr(pedalboard, effect)(**effects[effect]) for effect in effects
+    ]
 
     return Pedalboard(plugins)
 
@@ -54,7 +56,9 @@ def process_audio(
 
     effected = board(audio, ifile.samplerate)
 
-    with AudioFile(output_file, 'w', ifile.samplerate, ifile.num_channels) as outfile:
+    with AudioFile(
+        output_file, 'w', ifile.samplerate, ifile.num_channels
+    ) as outfile:
         outfile.write(effected)
 
     return Path(output_file)