diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index cb8a88a..0fdc258 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -47,6 +47,7 @@ How to set up your development environment
 You need Python 3.7+ and the following tools:
 
 - Cookiecutter_
+- Nox_
 - Docker_
 - `Visual Studio Code`_