diff --git a/docs/roadmap/implementation.md b/docs/roadmap/implementation.md
index 4346859..f601870 100644
--- a/docs/roadmap/implementation.md
+++ b/docs/roadmap/implementation.md
@@ -862,3 +862,6 @@ handoff.
 - [x] Dependency publication checkpoint complete — the four Stage 1–4 commits
   are available from their canonical `origin/main` branches at the exact
   immutable revisions listed above. Stage 5 may begin.
+- [x] Stage 5 complete — `ansible-role-dnd-pipeline` commit `901ae35`; full
+  isolated integration, immutable dependency installation, native validation,
+  and clean repeats passed. No deviations.