diff --git a/pyproject.toml b/pyproject.toml
index 03295fa..b073287 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "Sogeti-generic-RAG-demo"
 version = "0.1.0"
 description = "A Sogeti generic RAG demo"
 readme = "README.md"
-requires-python = ">=3.12"
+requires-python = ">=3.12,<3.13"
 dependencies = [
     "beautifulsoup4>=4.13.3",
     "chainlit>=2.3.0",
@@ -25,8 +25,10 @@ dependencies = [
 ]
 
 [tool.setuptools]
-packages = ["."]
-exclude = ["data"]
+packages = ["generic_rag"]
+
+[tool.setuptools.exclude-package-data]
+generic_rag = ["data"]
 
 [tool.ruff]
 line-length = 120
@@ -37,7 +39,11 @@ skip-magic-trailing-comma = true
 line-ending = "auto"
 docstring-code-format = false
 
+[tool.black]
+line-length = 120
+
 [dependency-groups]
 dev = [
     "ruff>=0.11.0",
+    "black>=22.0",
 ]