diff --git a/charts/prometheus-adapter/templates/external-metrics-cluster-role.yaml b/charts/prometheus-adapter/templates/external-metrics-cluster-role.yaml
index 212ea78b25aa..71783fd4b287 100644
--- a/charts/prometheus-adapter/templates/external-metrics-cluster-role.yaml
+++ b/charts/prometheus-adapter/templates/external-metrics-cluster-role.yaml
@@ -12,8 +12,7 @@ metadata:
 rules:
 - apiGroups:
   - "external.metrics.k8s.io"
-  resources:
-  - "*"
+  resources: {{ toYaml .Values.rbac.externalMetrics.resources | nindent 2 }}
   verbs:
   - list
   - get
diff --git a/charts/prometheus-adapter/values.yaml b/charts/prometheus-adapter/values.yaml
index 5098e69fa655..82eab94b1db6 100644
--- a/charts/prometheus-adapter/values.yaml
+++ b/charts/prometheus-adapter/values.yaml
@@ -58,6 +58,8 @@ securityContext:
 rbac:
   # Specifies whether RBAC resources should be created
   create: true
+  externalMetrics:
+    resources: ["*"]
 
 psp:
   # Specifies whether PSP resources should be created