diff --git a/pyproject.toml b/pyproject.toml
index 6e4c4d3..0464b3a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,4 +42,4 @@ line_length = 80
 [tool.pytest.ini_options]
 testpaths = ["tests"]
 addopts = "-ra"
-python_files = ["Test_*.py"]
+python_files = ["Test_*.py", "test_*.py"]