diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..16bdc31
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,19 @@
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "cli-tool"
+version = "0.1.0"
+description = "A command-line interface tool"
+authors = ["Your Name <you@example.com>"]
+dependencies = ["click>=8.0", "toml>=0.10.2"]
+
+[project.scripts]
+cli-tool = "cli_tool:main"
+
+[tool.setuptools]
+packages = { find = true }
+
+[project.optional-dependencies]
+development = ["pytest", "black", "flake8"]
\ No newline at end of file