diff --git a/manifests/monitoring/kube-state-metrics.yaml b/manifests/monitoring/kube-state-metrics.yaml
index 6b06ed5..99b33a0 100644
--- a/manifests/monitoring/kube-state-metrics.yaml
+++ b/manifests/monitoring/kube-state-metrics.yaml
@@ -201,6 +201,7 @@ spec:
       labels:
         app.kubernetes.io/name: kube-state-metrics
     spec:
+      priorityClassName: system-cluster-critical
       serviceAccountName: kube-state-metrics
       securityContext:
         fsGroup: 65534
diff --git a/manifests/monitoring/node-exporter.yaml b/manifests/monitoring/node-exporter.yaml
index 4c1a0f8..2a1d3e4 100644
--- a/manifests/monitoring/node-exporter.yaml
+++ b/manifests/monitoring/node-exporter.yaml
@@ -51,6 +51,7 @@ spec:
         app.kubernetes.io/name: prometheus
         app.kubernetes.io/component: node-exporter
     spec:
+      priorityClassName: system-node-critical
       serviceAccountName: prometheus-node-exporter
       containers:
         - name: prometheus-node-exporter
diff --git a/manifests/monitoring/promtail.yaml b/manifests/monitoring/promtail.yaml
index e01acfa..66d9638 100644
--- a/manifests/monitoring/promtail.yaml
+++ b/manifests/monitoring/promtail.yaml
@@ -212,6 +212,7 @@ spec:
         prometheus.io/port: http-metrics
         prometheus.io/scrape: "true"
     spec:
+      priorityClassName: system-node-critical
       serviceAccountName: promtail
       containers:
         - name: promtail
diff --git a/manifests/monitoring/vmagent.yaml b/manifests/monitoring/vmagent.yaml
index d7e5add..8327514 100644
--- a/manifests/monitoring/vmagent.yaml
+++ b/manifests/monitoring/vmagent.yaml
@@ -213,6 +213,7 @@ spec:
         app.kubernetes.io/name: victoria-metrics
         app.kubernetes.io/component: agent
     spec:
+      priorityClassName: system-cluster-critical
       serviceAccountName: prometheus-server
       containers:
         - name: vmagent