diff --git a/.gitignore b/.gitignore
index a8654e6..d45fbd9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 __pycache__
+dist/
 docs/_build
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..3cb496a
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,27 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "mitel_ommclient2"
+version = "0.0.1"
+authors = [
+  { name="clerie", email="hallo@clerie.de" },
+]
+description = "Another attempt for a modern client library to the Mitel OM Application XML Interface."
+readme = "README.md"
+license = { file="LICENSE" }
+requires-python = ">=3.7"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+]
+
+[project.optional-dependencies]
+crypt = [
+  "rsa",
+]
+
+[project.urls]
+"Source" = "https://git.clerie.de/clerie/mitel_ommclient2"