diff --git a/manifests/0000_90_cluster-authentication-operator_01_prometheusrbac.yaml b/manifests/0000_90_cluster-authentication-operator_01_prometheusrbac.yaml
index e29738b11..53dc365e3 100644
--- a/manifests/0000_90_cluster-authentication-operator_01_prometheusrbac.yaml
+++ b/manifests/0000_90_cluster-authentication-operator_01_prometheusrbac.yaml
@@ -19,6 +19,14 @@ rules:
   - get
   - list
   - watch
+- apiGroups:
+  - discovery.k8s.io
+  resources:
+  - endpointslices
+  verbs:
+  - get
+  - list
+  - watch
 ---
 # Role for accessing metrics exposed by authentication resources
 apiVersion: rbac.authorization.k8s.io/v1
@@ -41,6 +49,14 @@ rules:
   - get
   - list
   - watch
+- apiGroups:
+  - discovery.k8s.io
+  resources:
+  - endpointslices
+  verbs:
+  - get
+  - list
+  - watch
 ---
 # oauth-apiserver role
 apiVersion: rbac.authorization.k8s.io/v1
@@ -63,6 +79,14 @@ rules:
   - get
   - list
   - watch
+- apiGroups:
+  - discovery.k8s.io
+  resources:
+  - endpointslices
+  verbs:
+  - get
+  - list
+  - watch
 ---
 # Grant cluster-monitoring access to cluster-authentication-operator metrics
 apiVersion: rbac.authorization.k8s.io/v1
diff --git a/manifests/0000_90_cluster-authentication-operator_02_servicemonitor.yaml b/manifests/0000_90_cluster-authentication-operator_02_servicemonitor.yaml
index b594ecc39..e47d8ea38 100644
--- a/manifests/0000_90_cluster-authentication-operator_02_servicemonitor.yaml
+++ b/manifests/0000_90_cluster-authentication-operator_02_servicemonitor.yaml
@@ -29,6 +29,7 @@ spec:
   selector:
     matchLabels:
       app: authentication-operator
+  serviceDiscoveryRole: EndpointSlice
 ---
 # Configure cluster-monitoring for cluster authentication resources
 apiVersion: monitoring.coreos.com/v1
@@ -60,6 +61,7 @@ spec:
   selector:
     matchLabels:
       app: oauth-openshift
+  serviceDiscoveryRole: EndpointSlice
 ---
 apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor
@@ -113,3 +115,4 @@ spec:
   selector:
     matchLabels:
       app: openshift-oauth-apiserver
+  serviceDiscoveryRole: EndpointSlice