diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -8,7 +8,13 @@ 1. Create a directory `data`, with a sub
 
 2. Run `PYTHONPATH=src/ python3 train.py`. It will create a `models.json.gz` file.
 
-3. You can now use:
+3. Build and install the package:
+```
+python3 -m build
+pip install dist/languedoc-...-py3-none-any.whl
+```
+
+4. You can now use:
 ```python
 import languedoc
 
diff --git a/build-requirements.txt b/build-requirements.txt
new file mode 100644
--- /dev/null
+++ b/build-requirements.txt
@@ -0,0 +1,1 @@
+build