diff --git a/docs/en/docs/release-notes.md b/docs/en/docs/release-notes.md
index 28821455a..9eacfea86 100644
--- a/docs/en/docs/release-notes.md
+++ b/docs/en/docs/release-notes.md
@@ -9,6 +9,7 @@ hide:
 
 ### Refactors
 
+* ✅ Simplify tests for `app_testing`. PR [#13220](https://github.com/fastapi/fastapi/pull/13220) by [@alv2017](https://github.com/alv2017).
 * ✅ Simplify tests for `dependency_testing`. PR [#13223](https://github.com/fastapi/fastapi/pull/13223) by [@alv2017](https://github.com/alv2017).
 
 ### Docs