diff --git a/backend/__init__.py b/backend/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..1ff22b4
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,14 @@
+[tool.poetry]
+name = "backend"
+version = "0.1.0"
+description = ""
+authors = ["Bertrand Benjamin <benjamin.bertrand@opytex.org>"]
+readme = "README.md"
+
+[tool.poetry.dependencies]
+python = "^3.10"
+
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..e69de29