diff --git a/app/core/kubernetes_client.py b/app/core/kubernetes_client.py
index 90ac592..626860a 100644
--- a/app/core/kubernetes_client.py
+++ b/app/core/kubernetes_client.py
@@ -551,8 +551,9 @@ class K8sClient:
             raise RuntimeError("Kubernetes client not initialized")
         
         try:
-            # List all storage classes
-            storage_classes = self.v1.list_storage_class(watch=False)
+            # List all storage classes using the storage API
+            storage_api = client.StorageV1Api()
+            storage_classes = storage_api.list_storage_class(watch=False)
             return storage_classes.items
             
         except ApiException as e:
diff --git a/k8s/rbac.yaml b/k8s/rbac.yaml
index 707f080..54880ae 100644
--- a/k8s/rbac.yaml
+++ b/k8s/rbac.yaml
@@ -43,6 +43,13 @@ rules:
 - apiGroups: [""]
   resources: ["events"]
   verbs: ["get", "list", "watch", "create"]
+# Permissões para storage (PVCs e StorageClasses)
+- apiGroups: [""]
+  resources: ["persistentvolumeclaims", "persistentvolumes"]
+  verbs: ["get", "list", "watch"]
+- apiGroups: ["storage.k8s.io"]
+  resources: ["storageclasses"]
+  verbs: ["get", "list", "watch"]
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding