diff --git a/pyproject.toml b/pyproject.toml
index 1aad0c0..bca7599 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,14 +1,15 @@
 [build-system]
-requires = ["flit_core >=2,<4"]
+requires = ["flit_core >=2,<5"]
 build-backend = "flit_core.buildapi"
 
-[tool.flit.metadata]
-module = "ptyprocess"
-author = "Thomas Kluyver"
-author-email = "thomas@kluyver.me.uk"
-home-page = "https://github.com/pexpect/ptyprocess"
-description-file = "README.rst"
+[project]
+name = "ptyprocess"
+authors = [
+    { name = "Thomas Kluyver", email = "thomas@kluyver.me.uk" },
+]
+readme = "README.rst"
 requires-python = ">=3.7"
+dynamic = ["version", "description"]
 classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Environment :: Console",
@@ -22,3 +23,5 @@ classifiers = [
     "Topic :: Terminals"
 ]
 
+[project.urls]
+Homepage = "https://github.com/pexpect/ptyprocess"