diff --git a/heartbeats/plan-git-harden-sh-design-spec-8b87.json b/heartbeats/plan-git-harden-sh-design-spec-8b87.json
index a1655e8..a22590c 100644
--- a/heartbeats/plan-git-harden-sh-design-spec-8b87.json
+++ b/heartbeats/plan-git-harden-sh-design-spec-8b87.json
@@ -1,6 +1,6 @@
 {
   "agent_id": "plan-git-harden-sh-design-spec-8b87",
-  "last_heartbeat": "2026-03-27T16:20:29.828303Z",
+  "last_heartbeat": "2026-03-27T16:27:09.892815Z",
   "active_issue_id": null,
   "machine_id": "MacBook-Air-4.local"
 }
\ No newline at end of file