diff --git a/templates/zipline/.felhom.yml b/templates/zipline/.felhom.yml
index 219d524..afac54e 100644
--- a/templates/zipline/.felhom.yml
+++ b/templates/zipline/.felhom.yml
@@ -10,7 +10,7 @@ subdomain: "img"
 slug: "zipline"
 # catalog_since: the date THIS repo last changed this app's pinned images. Any commit that
 # changes an image: line must set this to the same day (see CLAUDE.md).
-catalog_since: "2026-07-18"
+catalog_since: "2026-09-30"
 
 # --- Resource hints (displayed on deploy screen) ---
 resources:
@@ -121,3 +121,9 @@ i18n:
         label: 'Database password'
       - env_var: CORE_SECRET
         label: 'Encryption key'
+
+# update_ladder — the test record: one tested step per line, oldest first (JSON flow mappings,
+# `09-update-architecture.md` §6.4 part 4). WRITTEN BY scripts/upgrade-test.py, never by hand;
+# gated by scripts/check-test-record.py. An image: move without a proven entry here is refused.
+update_ladder:
+  - {"from": {"zipline": "ghcr.io/diced/zipline:4.6.1", "zipline-postgres": "postgres:16-alpine"}, "to": {"zipline": "ghcr.io/diced/zipline:4.7.0", "zipline-postgres": "postgres:16-alpine"}, "digest": {"zipline": "sha256:526fa08d2d3cf46bd959b2008987ca8d2a38b1ba840991b68cd9ff4b8c6a3fab", "zipline-postgres": "sha256:721873c34ceb9f8d8fc265984940dc982404c105f19ad51be9fdc5970a6080ea"}, "verdict": "proven", "tested_at": "2026-09-30T18:04:58Z", "harness_version": 4, "evidence": "felhom.eu/documentation/audits/more-night-apps-2026-09-30/bench/apps/zipline/bench/evidence/MV-zipline/verdict.json", "box_evidence": "felhom.eu/documentation/audits/more-night-apps-2026-09-30/box/zipline/step.txt", "memory_peak_pct": 41.7, "marks": {"files_may_change": false, "needs_person": null, "memory_tight": false}, "memory_basis": "anon", "memory_cgroup_peak_pct": 56.8}
diff --git a/templates/zipline/docker-compose.yml b/templates/zipline/docker-compose.yml
index 8b56c25..fafd08a 100644
--- a/templates/zipline/docker-compose.yml
+++ b/templates/zipline/docker-compose.yml
@@ -10,7 +10,7 @@
 
 services:
   zipline:
-    image: ghcr.io/diced/zipline:4.6.1
+    image: ghcr.io/diced/zipline:4.7.0
     container_name: zipline
     restart: unless-stopped
     depends_on: