diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..796a3a4
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,40 @@
+[project]
+name = "codemap"
+version = "0.1.0"
+description = "A CLI tool that analyzes codebases and generates interactive architecture diagrams"
+readme = "README.md"
+requires-python = ">=3.9"
+classifiers = [
+    "Development Status :: 4 - Beta",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+]
+dependencies = [
+    "typer>=0.9.0",
+    "rich>=13.0.0",
+    "networkx>=3.0",
+    "watchdog>=4.0.0",
+    "jinja2>=3.1.0",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.0.0",
+    "pytest-cov>=4.0.0",
+]
+
+[project.scripts]
+codemap = "codemap.__main__:main"
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+python_files = ["test_*.py"]