diff --git a/pages/common/poetry.md b/pages/common/poetry.md
index cb428210dc..17e9838329 100644
--- a/pages/common/poetry.md
+++ b/pages/common/poetry.md
@@ -13,7 +13,7 @@
 
 - Install a development dependency and its subdependencies:
 
-`poetry add --dev {{dependency}}`
+`poetry add --group dev {{dependency}}`
 
 - Interactively initialize the current directory as a new Poetry project: