diff --git a/feathr_project/pyproject.toml b/feathr_project/pyproject.toml
index 693233dc2..be0813090 100644
--- a/feathr_project/pyproject.toml
+++ b/feathr_project/pyproject.toml
@@ -9,6 +9,11 @@ known_first_party = ['feathr']
 force_sort_within_sections = true
 multi_line_output = 3
 
+[tool.pytest.ini_options]
+markers = [
+    "notebooks: Jupyter notebook tests",
+]
+
 [build-system]
 requires = [
     "setuptools",