diff --git a/scenarios/whole-mesh-full.yml b/scenarios/whole-mesh-full.yml
index 078d7ab..e8f160f 100644
--- a/scenarios/whole-mesh-full.yml
+++ b/scenarios/whole-mesh-full.yml
@@ -166,6 +166,9 @@ images:
   - mesh-runtime-verdaccio:development
   - mesh-runtime-mailu:development
   - mesh-route-proxy:development
+  # ADR 0056: the internal ACME authority. route-proxy now REQUIRES an `acme-ca`, so a bed that does
+  # not serve this image has an unresolvable proxy — and with it every routed module on the mesh.
+  - smallstep/step-ca:latest
   - mesh-runtime-sonarr:development
   - mesh-runtime-radarr:development
   - mesh-runtime-lidarr:development