diff --git a/template/justfile.jinja b/template/justfile.jinja
index 44c1081..fb66419 100644
--- a/template/justfile.jinja
+++ b/template/justfile.jinja
@@ -126,7 +126,7 @@ check-unused:
   # - 60 %: attribute, class, function, method, property, variable
   # There are some things should be ignored though, with the allowlist.
   # Create an allowlist with `vulture --make-allowlist`
-  uv run vulture src/ tests/ **/vulture-allowlist.py
+  uv run vulture --min-confidence 100 src/ tests/ **/vulture-allowlist.py
 
 # Re-build the README file from the Quarto version
 build-readme:
diff --git a/template/ruff.toml b/template/ruff.toml
index 9171953..7c08aab 100644
--- a/template/ruff.toml
+++ b/template/ruff.toml
@@ -9,7 +9,9 @@ extend-select = [
   # Add rule that all functions have docstrings.
   "D",
   # Add isort to list.
-  "I"
+  "I",
+  # Check for unused arguments
+  "ARG",
 ]
 # Ignore missing docstring at the top of files
 ignore = ["D100"]