diff --git a/prowler/providers/kubernetes/services/rbac/rbac_service.py b/prowler/providers/kubernetes/services/rbac/rbac_service.py
index db8550c318..3bc5d2beec 100644
--- a/prowler/providers/kubernetes/services/rbac/rbac_service.py
+++ b/prowler/providers/kubernetes/services/rbac/rbac_service.py
@@ -162,9 +162,9 @@ class RoleBinding(BaseModel):
 
 
 class Rule(BaseModel):
-    apiGroups: Optional[List[str]]
-    resources: Optional[List[str]]
-    verbs: Optional[List[str]]
+    apiGroups: Optional[List[str]] = None
+    resources: Optional[List[str]] = None
+    verbs: Optional[List[str]] = None
 
 
 class Role(BaseModel):
diff --git a/tests/providers/kubernetes/lib/mutelist/kubernetes_mutelist_test.py b/tests/providers/kubernetes/lib/mutelist/kubernetes_mutelist_test.py
index 7cc1ae394d..9b43c48376 100644
--- a/tests/providers/kubernetes/lib/mutelist/kubernetes_mutelist_test.py
+++ b/tests/providers/kubernetes/lib/mutelist/kubernetes_mutelist_test.py
@@ -153,7 +153,7 @@ class TestKubernetesMutelist:
             account_uid="cluster_1",
             region="test-region",
             resource_uid="test_resource",
-            resource_tags=[],
+            resource_tags={},
             muted=False,
         )