diff --git a/charts/crane/templates/metrics-apiservice.yaml b/charts/crane/templates/metrics-apiservice.yaml
index 2159b91..fa67247 100644
--- a/charts/crane/templates/metrics-apiservice.yaml
+++ b/charts/crane/templates/metrics-apiservice.yaml
@@ -28,4 +28,19 @@ spec:
   version: v1beta2
   insecureSkipTLSVerify: true
   groupPriorityMinimum: 100
-  versionPriority: 200
\ No newline at end of file
+  versionPriority: 200
+
+---
+apiVersion: apiregistration.k8s.io/v1
+kind: APIService
+metadata:
+  name: v1beta1.external.metrics.k8s.io
+spec:
+  service:
+    name: metric-adapter
+    namespace: crane-system
+  group: external.metrics.k8s.io
+  version: v1beta1
+  insecureSkipTLSVerify: true
+  groupPriorityMinimum: 100
+  versionPriority: 100
\ No newline at end of file
diff --git a/charts/crane/templates/metrics-rbac.yaml b/charts/crane/templates/metrics-rbac.yaml
index 0e8ae66..653db3c 100644
--- a/charts/crane/templates/metrics-rbac.yaml
+++ b/charts/crane/templates/metrics-rbac.yaml
@@ -5,40 +5,9 @@ metadata:
   labels:
     {{- include "crane.labels" . | nindent 4 }}
 rules:
-  - apiGroups:
-      - "prediction.crane.io"
-    resources:
-      - '*'
-    verbs:
-      - '*'
-  - apiGroups:
-      - "autoscaling.crane.io"
-    resources:
-      - '*'
-    verbs:
-      - '*'
-  - apiGroups:
-      - ""
-    resources:
-      - 'configmaps'
-    verbs:
-      - '*'
-  - apiGroups:
-      - ""
-    resources:
-      - pods
-    verbs:
-      - get
-      - list
-      - patch
-      - update
-      - watch
-  - apiGroups:
-      - "custom.metrics.k8s.io"
-    resources:
-      - '*'
-    verbs:
-      - '*'
+  - apiGroups: [ '*' ]
+    resources: [ '*' ]
+    verbs: [ "*" ]
 ---
 
 apiVersion: rbac.authorization.k8s.io/v1