diff --git a/manifests/alertmanager-alertmanager.yaml b/manifests/alertmanager-alertmanager.yaml
index 42bed1e1..6c333aa9 100644
--- a/manifests/alertmanager-alertmanager.yaml
+++ b/manifests/alertmanager-alertmanager.yaml
@@ -15,6 +15,7 @@ spec:
     kubernetes.io/os: linux
   podMetadata:
     labels:
+      alertmanager: main
       app.kubernetes.io/component: alert-router
       app.kubernetes.io/name: alertmanager
       app.kubernetes.io/part-of: kube-prometheus
diff --git a/manifests/prometheus-prometheus.yaml b/manifests/prometheus-prometheus.yaml
index f9d31637..d67c2041 100644
--- a/manifests/prometheus-prometheus.yaml
+++ b/manifests/prometheus-prometheus.yaml
@@ -27,6 +27,7 @@ spec:
       app.kubernetes.io/name: prometheus
       app.kubernetes.io/part-of: kube-prometheus
       app.kubernetes.io/version: 2.30.3
+      prometheus: k8s
   podMonitorNamespaceSelector: {}
   podMonitorSelector: {}
   probeNamespaceSelector: {}