from packaging.version import Version from pathlib import Path import toml c_file = Path(__file__) pyproject = c_file.parent.parent / "pyproject.toml" with pyproject.open("r") as f: data = toml.load(f) version = Version(data["project"]["version"]) data["project"]["version"] = str(Version(f"{version.major}.{version.minor}.{version.micro + 1}")) with pyproject.open("w") as f: toml.dump(data, f)