diff --git a/pyproject.toml b/pyproject.toml
index afb56999e..4027e1c86 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -91,7 +91,7 @@ extend-exclude = '''
 exclude = ["docs/*"]
 
 [tool.ruff.lint]
-select = ["F401", "I"] # TODO: eventually, expand to other 'D', and other 'F' linting
+select = ["F401", "F541", "I"] # TODO: eventually, expand to other 'D', and other 'F' linting
 fixable = ["ALL"]
 
 [tool.ruff.lint.per-file-ignores]