diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index eb27eb0f4..30b546865 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -20,7 +20,8 @@ Enter the directory containing your copy of Rich (`cd rich`).
 
 Poetry can be used to create an isolated _virtual environment_ for the project:
 
-```
+```bash
+poetry self add poetry-plugin-shell # (If using Poetry > 2.0.0))
 poetry shell
 ```