diff --git a/argocd/railiance01/applications/activity-core.application.yaml b/argocd/railiance01/applications/activity-core.application.yaml
index c65ffb8..55bd466 100644
--- a/argocd/railiance01/applications/activity-core.application.yaml
+++ b/argocd/railiance01/applications/activity-core.application.yaml
@@ -1,6 +1,6 @@
 # ACTIVITY-WP-0041 / RPF-WP-0048: founder-authorized adoption, 2026-09-27.
-# Pin = live revision of the 2026-10-19 founder-approved release
-# (activity-core docs/evidence/2026-10-19-grant-v2-lease-expiry-release.json).
+# Pin = live revision of the 2026-10-20 founder-approved release
+# (activity-core docs/evidence/2026-10-20-release-health-probe-release.json).
 # Every activity-core release commits its pin here; see RPF-WP-ADHOC-2026-10-19.
 apiVersion: argoproj.io/v1alpha1
 kind: Application
@@ -13,7 +13,7 @@ spec:
   project: activity-core
   source:
     repoURL: https://forgejo.coulomb.social/coulomb/activity-core.git
-    targetRevision: 8884b123c54877bec44fb8355792244a8353a8ff
+    targetRevision: 1fe2fcc0d51c086db00d5f4d8b4e2fadb1d89a1d
     path: k8s/gitops
   destination:
     server: https://kubernetes.default.svc