diff --git a/pyproject.toml b/pyproject.toml
index c435d22..7b62310 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -145,7 +145,7 @@ select = [
 
 [tool.ruff.lint.per-file-ignores]
 "__init__.py" = ["F401"]
-"examples" = ["E501"]   # ignore too long lines in example ipynb
+"examples/*" = ["E501"]   # ignore too long lines in example ipynb
 
 [tool.pytest.ini_options]
 minversion = '6.0'