diff --git a/.gitignore b/.gitignore
index 9195364..4a6a1c7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 __pycache__
+/dist
 /.venv
diff --git a/cd.sh b/cd.sh
index 1884737..af48a0c 100644
--- a/cd.sh
+++ b/cd.sh
@@ -658,7 +658,8 @@ cd_cat () {
 cd_echo () {
     if [ -n "${1}" ] ; then
         for cd_echo__name in "${@}" ; do
-            eval "echo ${cd_echo__name} = \\\"\${${cd_echo__name}}\\\""
+            eval "cd_echo__text=\"\${${cd_echo__name}}\""
+            echo "${cd_echo__name} = \"${cd_echo__text}\""
         done
     fi
 }
diff --git a/cd/__init__.py b/cd/__init__.py
index 7c86330..ca3b9c8 100644
--- a/cd/__init__.py
+++ b/cd/__init__.py
@@ -1,5 +1,7 @@
 """Continuous Deployment."""
 
+__version__ = "0.0.1"
+
 import os
 from pathlib import Path
 
diff --git a/pyproject.toml b/pyproject.toml
index 8aa6871..6027135 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,36 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+authors = [
+    { name = "Marc Beninca", email = "git@marc.beninca.link" },
+]
+maintainers = [
+    { name = "Marc Beninca", email = "git@marc.beninca.link" },
+]
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: GNU Affero General Public License v3",
+    "Operating System :: OS Independent",
+]
+dependencies = ["rwx"]
+description = "Continuous Deployment"
+dynamic = ["version"]
+keywords = []
+license-files = { paths = ["license.md"] }
+name = "cd"
+readme = "readme.md"
+requires-python = ">= 3.10"
+
+[project.scripts]
+# command = "package.module:function"
+
+[project.urls]
+
+[tool.hatch.version]
+path = "cd/__init__.py"
+
 [tool.ruff]
 line-length = 80
 
diff --git a/readme.md b/readme.md
index 5bcb7df..b6a1738 100644
--- a/readme.md
+++ b/readme.md
@@ -25,7 +25,7 @@ from various contexts of CA, CI and OCI / OS.
     * [ ] 20231112
     * [X] 20240101
   * [X] Debian
-    * [X] Bullseye (11) → Python 3.9
+    * [ ] Bullseye (11) → Python 3.9
     * [X] Bookworm (12) → Python 3.11
   * [X] Fedora → Python 3.12
     * [X] 39