diff --git a/pyproject.toml b/pyproject.toml
index 40e2f90..ddacbac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,6 +41,9 @@ version = {attr = "mistune.__version__"}
 [tool.setuptools.packages.find]
 where = ["src"]
 
+[tool.setuptools.package-data]
+mistune = ["py.typed"]
+
 [tool.pytest.ini_options]
 pythonpath = ["src", "."]
 testpaths = ["tests"]
diff --git a/setup.py b/setup.py
index 61e5973..af8a0fc 100644
--- a/setup.py
+++ b/setup.py
@@ -1,8 +1,3 @@
 from setuptools import setup
 
-# Metadata goes in setup.cfg. These are here for GitHub's dependency graph.
-
-setup(
-    name="mistune",
-    package_data={"mistune": ["py.typed", ]}
-)
+setup(name="mistune")