diff --git a/docs/en/docs/tutorial/cookie-param-models.md b/docs/en/docs/tutorial/cookie-param-models.md
index 96dc5cf3d..016a65d7f 100644
--- a/docs/en/docs/tutorial/cookie-param-models.md
+++ b/docs/en/docs/tutorial/cookie-param-models.md
@@ -50,7 +50,7 @@ Your API now has the power to control its own <abbr title="This is a joke, just
 
 You can use Pydantic's model configuration to `forbid` any `extra` fields:
 
-{* ../../docs_src/cookie_param_models/tutorial002_an_py39.py hl[10] *}
+{* ../../docs_src/cookie_param_models/tutorial002_an_py310.py hl[10] *}
 
 If a client tries to send some **extra cookies**, they will receive an **error** response.