diff --git a/pyproject.toml b/pyproject.toml
index 07c45a3..fb7e3ac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,6 +22,7 @@ excel = ["openpyxl>=3.0"]
 parquet = ["pyarrow>=10.0"]
 proxy = ["scipy>=1.10"]
 benchmark = ["scikit-learn>=1.8.0", "pyyaml>=6.0", "fairlearn>=0.14.0", "matplotlib>=3.10"]
+test = ["pytest>=8.0", "pytest-cov>=5.0"]
 
 [project.urls]
 Homepage = "https://github.com/yakew7/Fair-Code"