diff --git a/artifacts/agent/karmada-agent.yaml b/artifacts/agent/karmada-agent.yaml
index 5bcc69575..aaee7b82e 100644
--- a/artifacts/agent/karmada-agent.yaml
+++ b/artifacts/agent/karmada-agent.yaml
@@ -15,6 +15,7 @@ spec:
       labels:
         app: karmada-agent
     spec:
+      priorityClassName: system-node-critical
       serviceAccountName: karmada-agent-sa
       tolerations:
         - key: node-role.kubernetes.io/master
diff --git a/artifacts/deploy/karmada-aggregated-apiserver.yaml b/artifacts/deploy/karmada-aggregated-apiserver.yaml
index ad20a8508..10443e86c 100644
--- a/artifacts/deploy/karmada-aggregated-apiserver.yaml
+++ b/artifacts/deploy/karmada-aggregated-apiserver.yaml
@@ -83,6 +83,7 @@ spec:
       securityContext:
         seccompProfile:
           type: RuntimeDefault
+      priorityClassName: system-node-critical
 ---
 apiVersion: v1
 kind: Service
diff --git a/artifacts/deploy/karmada-controller-manager.yaml b/artifacts/deploy/karmada-controller-manager.yaml
index ecb7a5ab7..3bf6bb635 100644
--- a/artifacts/deploy/karmada-controller-manager.yaml
+++ b/artifacts/deploy/karmada-controller-manager.yaml
@@ -59,3 +59,4 @@ spec:
       securityContext:
         seccompProfile:
           type: RuntimeDefault
+      priorityClassName: system-node-critical
diff --git a/artifacts/deploy/karmada-descheduler.yaml b/artifacts/deploy/karmada-descheduler.yaml
index 8063cebd0..5957d0fe9 100644
--- a/artifacts/deploy/karmada-descheduler.yaml
+++ b/artifacts/deploy/karmada-descheduler.yaml
@@ -64,3 +64,4 @@ spec:
       securityContext:
         seccompProfile:
           type: RuntimeDefault
+      priorityClassName: system-node-critical
diff --git a/artifacts/deploy/karmada-etcd.yaml b/artifacts/deploy/karmada-etcd.yaml
index 197cec3fc..b302b1dff 100644
--- a/artifacts/deploy/karmada-etcd.yaml
+++ b/artifacts/deploy/karmada-etcd.yaml
@@ -105,6 +105,7 @@ spec:
         - name: etcd-client-cert
           secret:
             secretName: etcd-etcd-client-cert
+      priorityClassName: system-node-critical
 ---
 
 apiVersion: v1
diff --git a/artifacts/deploy/karmada-metrics-adapter.yaml b/artifacts/deploy/karmada-metrics-adapter.yaml
index 9ed6eaca4..10a7edcd3 100644
--- a/artifacts/deploy/karmada-metrics-adapter.yaml
+++ b/artifacts/deploy/karmada-metrics-adapter.yaml
@@ -77,6 +77,7 @@ spec:
       securityContext:
         seccompProfile:
           type: RuntimeDefault
+      priorityClassName: system-node-critical
 ---
 apiVersion: v1
 kind: Service
diff --git a/artifacts/deploy/karmada-scheduler-estimator.yaml b/artifacts/deploy/karmada-scheduler-estimator.yaml
index 18f2b2279..355222ae5 100644
--- a/artifacts/deploy/karmada-scheduler-estimator.yaml
+++ b/artifacts/deploy/karmada-scheduler-estimator.yaml
@@ -65,6 +65,7 @@ spec:
       securityContext:
         seccompProfile:
           type: RuntimeDefault
+      priorityClassName: system-node-critical
 ---
 apiVersion: v1
 kind: Service
diff --git a/artifacts/deploy/karmada-scheduler.yaml b/artifacts/deploy/karmada-scheduler.yaml
index 4b552afd6..24b076074 100644
--- a/artifacts/deploy/karmada-scheduler.yaml
+++ b/artifacts/deploy/karmada-scheduler.yaml
@@ -65,3 +65,4 @@ spec:
       securityContext:
         seccompProfile:
           type: RuntimeDefault
+      priorityClassName: system-node-critical
diff --git a/artifacts/deploy/karmada-search.yaml b/artifacts/deploy/karmada-search.yaml
index 40df8be59..93f33c6ce 100644
--- a/artifacts/deploy/karmada-search.yaml
+++ b/artifacts/deploy/karmada-search.yaml
@@ -76,6 +76,7 @@ spec:
       securityContext:
         seccompProfile:
           type: RuntimeDefault
+      priorityClassName: system-node-critical
 ---
 apiVersion: v1
 kind: Service
diff --git a/artifacts/deploy/karmada-webhook.yaml b/artifacts/deploy/karmada-webhook.yaml
index 84323db48..5502a62d8 100644
--- a/artifacts/deploy/karmada-webhook.yaml
+++ b/artifacts/deploy/karmada-webhook.yaml
@@ -62,6 +62,7 @@ spec:
       securityContext:
         seccompProfile:
           type: RuntimeDefault
+      priorityClassName: system-node-critical
 ---
 apiVersion: v1
 kind: Service