diff --git a/README.md b/README.md
index a66cb58..4b12365 100644
--- a/README.md
+++ b/README.md
@@ -74,25 +74,11 @@ pip install padpo
 3. Install dependencies
 
    ```bash
-   pip install -r requirements.txt
+   poetry install
    ```
 
-4. Get grammalecte (normally this is done automatically at first usage)
-
-   ```bash
-   pip install wheel
-   wget https://grammalecte.net/grammalecte/zip/Grammalecte-fr-v1.5.0.zip
-   unzip  Grammalecte-fr-v1.5.0.zip -d Grammalecte-fr-v1.5.0
-   cd Grammalecte-fr-v1.5.0
-   pip install .
-   ```
+   Note: this uses `poetry` that you can get here: https://poetry.eustace.io/docs/
 
 ## Update on PyPI
 
-* git pull
-* change version in `pyproject.toml` and in `padpo.__init__`
-* clean
-  * `rm -rf build/ dist/ eggs/`
-  * TODO make a script for this (and better clean)
-* `poetry build`
-* `poetry publish`
+`./deliver.sh`
diff --git a/deliver.sh b/deliver.sh
index a3a2d93..fbc6ad0 100755
--- a/deliver.sh
+++ b/deliver.sh
@@ -1,9 +1,10 @@
 #!/bin/bash
 
+# configuration management
 git pull
 cat padpo/__init__.py | grep version
-cat setup.py | grep version
-echo "ready ?"
+cat pyproject.toml | grep version
+echo "ready?"
 read BOOL
 
 source venv/bin/activate
@@ -21,8 +22,10 @@ rm -f .coverage
 rm -fr htmlcov/
 rm -fr .pytest_cache
 
+# tests
+tox
+echo "ready to publish to PyPI?"
+read BOOL
 
 # package creation
-python setup.py sdist
-python setup.py bdist_wheel
-twine upload dist/*
+poetry publish