diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..1e1d20f
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,22 @@
+[build-system]
+requires = ["setuptools>=67.7.2","docutils>=0.20.0","Sphinx>=7.2.6","wheel>=0.42.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "sphinxcontrib-d2lang"
+version = "0.0.1"
+authors = [
+  { name="Milka64", email="michael.ricart@0w.tf" },
+]
+description = "an extension for sphinx to render d2lang diagrams in sphinx documents"
+readme = "README.md"
+requires-python = ">=3.8"
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: OS Independent",
+]
+
+[project.urls]
+Homepage = "https://git.0w.tf/Milka64/sphinx-d2lang/"
+Issues = "https://git.0w.tf/Milka64/sphinx-d2lang/issues"
diff --git a/setup.py b/setup.py
index 4f233c1..33d7139 100644
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@ this is the setup of this package.
 
 from setuptools import setup
 
-from sphinxcontrib.d2lang import __version__
+#from .sphinxcontrib.d2lang import __version__
 
 with open('sphinxcontrib/requirements.txt', 'r', encoding='utf8') as file:
     install_requires = list(map(lambda x: x.strip(), file.readlines()))
@@ -14,7 +14,7 @@ with open('README.md', 'r', encoding='utf8') as file:
 
 setup(
     name='sphinxcontrib-d2lang',
-    version='.'.join(map(str, __version__)),
+    version='0.0.1',
     author='Milka64',
     author_email='michael.ricart@0w.tf',
     url='https://git.0w.tf/Milka64/sphinx-d2lang/',
diff --git a/sphinxcontrib/d2lang/__init__.py b/sphinxcontrib/d2lang/__init__.py
index c685e2f..53ee1b6 100644
--- a/sphinxcontrib/d2lang/__init__.py
+++ b/sphinxcontrib/d2lang/__init__.py
@@ -1,4 +1,7 @@
-from sphinx.application import Sphinx
+try:
+    from sphinx.application import Sphinx
+except:
+    pass
 
 from .d2lang import D2langDirective
 
diff --git a/sphinxcontrib/requirements.txt b/sphinxcontrib/requirements.txt
index e4761f0..3bcfd52 100644
--- a/sphinxcontrib/requirements.txt
+++ b/sphinxcontrib/requirements.txt
@@ -1,3 +1,4 @@
-Sphinx
-docutils
-wheel
+docutils==0.20.1
+setuptools==67.7.2
+Sphinx==7.2.6
+wheel==0.42.0