diff --git a/pyproject.toml b/pyproject.toml
index 1fa15db..399ee3e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,13 +18,11 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11"
 ]
+requires-python = ">=3.6"
 
 [project.urls]
 "Home" = "https://github.com/casdoor/casdoor-python-sdk"
 
-[project.scripts]
-test = "tests"
-
 [build-system]
 requires = ["setuptools", "wheel"]
 build-backend = "setuptools.build_meta"