diff --git a/README.md b/README.md
index 0db03f5..f8a9e31 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ Monorepo. Components are plain directories, not git submodules.
 
 | Layer        | Stack                                                              |
 |--------------|--------------------------------------------------------------------|
-| Backend      | Go REST API + WebSocket; PostgreSQL (PostGIS), Redis, S3           |
+| Backend      | Go REST API + WebSocket; PostgreSQL (PostGIS), Valkey/Dragonfly, S3 |
 | Web          | SvelteKit + Tailwind 4, SSR for SEO, runs on Bun                   |
 | Mobile       | Flutter (Android + iOS)                                            |
 | Auth         | Custom (Go), e-mail+password / magic link / OAuth / 2FA            |
@@ -143,7 +143,7 @@ this by default.
 
 ## Status
 
-Active development as of 2026-04-28. `backend/`, `web/`, and `app/` all contain
+Active development as of 2026-04-29. `backend/`, `web/`, and `app/` all contain
 working code (Go API scaffolding + auth, SvelteKit pages, Flutter skeleton).
 
 - Current phase scope: `planning/15-mvp.md`