diff --git a/docs/changelog-develop.md b/docs/changelog-develop.md
index 84a323e..4586bc3 100644
--- a/docs/changelog-develop.md
+++ b/docs/changelog-develop.md
@@ -2,6 +2,12 @@
 
 This file documents changes on the develop branch of this project.
 
+## 2026-05-28 — Authentication: FastAPI dependencies
+
+### Added
+- `require_user` / `require_admin` cookie-based session loading.
+- 401 for missing/expired/inactive; 403 for non-admin on admin routes.
+
 ## 2026-05-28 — Authentication: session lifecycle
 
 ### Added