diff --git a/vault/helm-values.yaml b/vault/helm-values.yaml
index e818234..11426ec 100644
--- a/vault/helm-values.yaml
+++ b/vault/helm-values.yaml
@@ -72,12 +72,15 @@ server:
     type: ClusterIP
     port: 8200
 
-  # Tolerations for control-plane node
+  # Tolerations for control-plane node (keep for 3-replica HA)
   tolerations:
     - key: "node-role.kubernetes.io/control-plane"
       operator: "Exists"
       effect: "NoSchedule"
 
+  # High priority for critical secrets management
+  priorityClassName: high-priority
+
 # UI 활성화
 ui:
   enabled: true