diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..5a1aaef
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,27 @@
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "promformat"
+version = "1.0.2"
+requires-python = ">=3.8"
+dependencies = [
+    "antlr4-python3-runtime>=4.10",
+]
+
+[project.optional-dependencies]
+test = [
+    "pytest",
+    "PyYAML",
+]
+dev = [
+    "flake8",
+    "black",
+]
+
+[project.scripts]
+promformat = "promformat.__main__:main"
+
+[tool.setuptools.packages.find]
+exclude = ["tests*"]