diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c8176f..e7951ff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,23 @@ Sections:
 
 ---
 
+## [0.4.0] - 2026-01-15
+
+### Added
+- Repository detail view (second page) in the Store UI.
+- README rendering using Home Assistant's `ha-markdown` element.
+- Floating action buttons (FAB):
+  - Open repository
+  - Reload README
+  - Install (coming soon)
+  - Update (coming soon)
+- Search field and category filter on the repository list page.
+- New authenticated API endpoint:
+  - `GET /api/bcs/readme?repo_id=<id>` returns README markdown (best-effort).
+
+### Changed
+- Repository cards are now clickable to open the detail view.
+
 ## [0.3.2] - 2026-01-15
 
 ### Added