diff --git a/docs/work/_system/_state.json b/docs/work/_system/_state.json
index 1904d49..786a592 100644
--- a/docs/work/_system/_state.json
+++ b/docs/work/_system/_state.json
@@ -1,5 +1,5 @@
 {
-  "updated_at": "2026-05-20T11:22:09.493Z",
+  "updated_at": "2026-05-20T11:33:08.030Z",
   "epics": {
     "binder-wrap-helper": {
       "status": "done",
@@ -667,10 +667,10 @@
           "blocks": []
         },
         "10-sbom-ci-workflow": {
-          "status": "todo",
+          "status": "done",
           "title": "SBOM CI workflow and ADR-023 amendment",
           "ac_total": 1,
-          "ac_completed": 0,
+          "ac_completed": 1,
           "depends_on": [],
           "blocks": []
         },
@@ -686,11 +686,6 @@
     }
   },
   "ready": [
-    {
-      "epic": "security-headers-rate-limit-sbom",
-      "story": "10-sbom-ci-workflow",
-      "title": "SBOM CI workflow and ADR-023 amendment"
-    },
     {
       "epic": "security-headers-rate-limit-sbom",
       "story": "11-documentation",
diff --git a/docs/work/epics/security-headers-rate-limit-sbom/10-sbom-ci-workflow/_story.md b/docs/work/epics/security-headers-rate-limit-sbom/10-sbom-ci-workflow/_story.md
index ae535ff..b12fab4 100644
--- a/docs/work/epics/security-headers-rate-limit-sbom/10-sbom-ci-workflow/_story.md
+++ b/docs/work/epics/security-headers-rate-limit-sbom/10-sbom-ci-workflow/_story.md
@@ -3,12 +3,12 @@ id: 10-sbom-ci-workflow
 epic: security-headers-rate-limit-sbom
 title: SBOM CI workflow and ADR-023 amendment
 type: technical-story
-status: todo
+status: done
 feature: ci
 depends-on: []
 blocks: []
 created: 2026-05-20T00:00:00Z
-updated: 2026-05-20T08:14:55.907Z
+updated: 2026-05-20T11:33:07.860Z
 ---
 
 ## Goal
@@ -42,4 +42,4 @@ Consumers pursuing SOC 2 / ISO 27001 / FedRAMP / EU CRA must answer "what's in v
 
 ## Tasks
 
-- [ ] Add conditional SBOM generation step (`pnpm dlx @cyclonedx/cyclonedx-npm --output-file sbom-${{ steps.release.outputs.tag_name }}.cdx.json --output-format json`) and upload step (`softprops/action-gh-release@<SHA>` with `files:` pointing to the SBOM and `tag_name:` from release-please output) to `.github/workflows/release-please.yml`; add amendment subsection to `docs/decisions/adr-023-ci-security-and-supply-chain.md` documenting the concrete step shape and rationale; all gates pass.
+- [x] Add conditional SBOM generation step (`pnpm dlx @cyclonedx/cyclonedx-npm --output-file sbom-${{ steps.release.outputs.tag_name }}.cdx.json --output-format json`) and upload step (`softprops/action-gh-release@<SHA>` with `files:` pointing to the SBOM and `tag_name:` from release-please output) to `.github/workflows/release-please.yml`; add amendment subsection to `docs/decisions/adr-023-ci-security-and-supply-chain.md` documenting the concrete step shape and rationale; all gates pass.
diff --git a/docs/work/epics/security-headers-rate-limit-sbom/_epic.md b/docs/work/epics/security-headers-rate-limit-sbom/_epic.md
index 6b21f1e..68f8010 100644
--- a/docs/work/epics/security-headers-rate-limit-sbom/_epic.md
+++ b/docs/work/epics/security-headers-rate-limit-sbom/_epic.md
@@ -7,7 +7,7 @@ status: in-progress
 features:
   [core-shared, core-testing, core-eslint, auth, web-next, web-tanstack, cms]
 created: 2026-05-20T00:00:00Z
-updated: 2026-05-20T11:22:09.324Z
+updated: 2026-05-20T11:33:07.860Z
 ---
 
 ## Goal
@@ -29,5 +29,5 @@ Security scanners flag the absence of HSTS, X-Frame-Options, X-Content-Type-Opti
 - [x] [07 — Per-framework security header adapters](07-security-header-adapters/_story.md)
 - [x] [08 — App wiring: web-next](08-app-wiring-web-next/_story.md)
 - [x] [09 — App wiring: web-tanstack and cms](09-app-wiring-web-tanstack-and-cms/_story.md)
-- [ ] [10 — SBOM CI workflow and ADR-023 amendment](10-sbom-ci-workflow/_story.md)
+- [x] [10 — SBOM CI workflow and ADR-023 amendment](10-sbom-ci-workflow/_story.md)
 - [ ] [11 — Documentation and conformance reference updates](11-documentation/_story.md)