diff --git a/Makefile b/Makefile
index 7bf3099..09cba4c 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ build   := uv build
 publish := uv publish --username=__token__ --keyring-provider=subprocess
 python  := $(run) python
 ruff    := $(run) ruff
-lint    := $(ruff) check --select I
+lint    := $(ruff) check
 fmt     := $(ruff) format
 mypy    := $(run) mypy
 mkdocs  := $(run) mkdocs
diff --git a/pyproject.toml b/pyproject.toml
index e3dce3f..6c7705d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,3 +81,26 @@ explicit = true
 venvPath="."
 venv=".venv"
 exclude=[".venv"]
+
+[tool.ruff.lint]
+select = [
+    # pycodestyle
+    "E",
+    # Pyflakes
+    "F",
+    # pyupgrade
+    "UP",
+    # flake8-bugbear
+    "B",
+    # flake8-simplify
+    "SIM",
+    # isort
+    "I",
+]
+ignore = [
+    # I think try...expect...pass reads far better.
+    "SIM105",
+]
+
+[tool.ruff.lint.pycodestyle]
+max-line-length = 120
diff --git a/src/complexitty/data/config.py b/src/complexitty/data/config.py
index ce2dfa9..206710a 100644
--- a/src/complexitty/data/config.py
+++ b/src/complexitty/data/config.py
@@ -2,12 +2,12 @@
 
 ##############################################################################
 # Python imports.
+from collections.abc import Iterator
 from contextlib import contextmanager
 from dataclasses import asdict, dataclass, field
-from functools import lru_cache
+from functools import cache
 from json import dumps, loads
 from pathlib import Path
-from typing import Iterator
 
 ##############################################################################
 # Local imports.
@@ -54,7 +54,7 @@ def save_configuration(configuration: Configuration) -> Configuration:
 
 
 ##############################################################################
-@lru_cache(maxsize=None)
+@cache
 def load_configuration() -> Configuration:
     """Load the configuration.
 
diff --git a/src/complexitty/mandelbrot/colouring.py b/src/complexitty/mandelbrot/colouring.py
index 4429169..cc4f63d 100644
--- a/src/complexitty/mandelbrot/colouring.py
+++ b/src/complexitty/mandelbrot/colouring.py
@@ -2,8 +2,9 @@
 
 ##############################################################################
 # Python imports.
+from collections.abc import Callable
 from functools import lru_cache
-from typing import Callable, Final, TypeAlias
+from typing import Final, TypeAlias
 
 ##############################################################################
 # Textual imports.
@@ -51,7 +52,7 @@ def default_map(value: int, max_iteration: int) -> Color:
 
 
 ##############################################################################
-@lru_cache()
+@lru_cache
 def blue_brown_map(value: int, _: int) -> Color:
     """Calculate a colour for an escape value.
 
diff --git a/src/complexitty/screens/main.py b/src/complexitty/screens/main.py
index ae3f99e..dd2b1ad 100644
--- a/src/complexitty/screens/main.py
+++ b/src/complexitty/screens/main.py
@@ -206,7 +206,8 @@ def _update_situation(self, message: Mandelbrot.Plotted) -> None:
             else 0
         )
         message.mandelbrot.border_title = (
-            f"X: {message.mandelbrot.x_position:.{x_precision + 2}f} | Y: {message.mandelbrot.y_position:.{y_precision + 2}f} "
+            f"X: {message.mandelbrot.x_position:.{x_precision + 2}f} | "
+            f"Y: {message.mandelbrot.y_position:.{y_precision + 2}f} "
             f"| Zoom: {message.mandelbrot.zoom:.4f}"
         )
         message.mandelbrot.border_subtitle = (
@@ -315,7 +316,8 @@ async def action_go_to_command(self) -> None:
                     )
             else:
                 self.notify(
-                    "Please provide both the [i]x[/] and [i]y[/] coordinates separated by a comma or space. For example:\n\n"
+                    "Please provide both the [i]x[/] and [i]y[/] coordinates "
+                    "separated by a comma or space. For example:\n\n"
                     "[i]0.1, 0.1[/]\n\nor:\n\n"
                     "[i]0.1 0.1[/]",
                     title="Invalid location input",