diff --git a/prombench/manifests/cluster-infra/3b_prometheus-meta.yaml b/prombench/manifests/cluster-infra/3b_prometheus-meta.yaml
index f38a6a063..96d21e5a4 100644
--- a/prombench/manifests/cluster-infra/3b_prometheus-meta.yaml
+++ b/prombench/manifests/cluster-infra/3b_prometheus-meta.yaml
@@ -257,7 +257,7 @@ kind: Ingress
 metadata:
   name: ingress-prometheus-meta
   annotations:
-    kubernetes.io/ingress.class: "nginx"
+    spec.ingressClassName: "nginx"
     nginx.ingress.kubernetes.io/ssl-redirect: "false"
 spec:
   rules:
diff --git a/prombench/manifests/cluster-infra/7b_commentmonitor_deployment.yaml b/prombench/manifests/cluster-infra/7b_commentmonitor_deployment.yaml
index 009dccba5..595dfc259 100644
--- a/prombench/manifests/cluster-infra/7b_commentmonitor_deployment.yaml
+++ b/prombench/manifests/cluster-infra/7b_commentmonitor_deployment.yaml
@@ -70,7 +70,7 @@ kind: Ingress
 metadata:
   name: ingress-comment-monitor
   annotations:
-    kubernetes.io/ingress.class: "nginx"
+    spec.ingressClassName: "nginx"
     nginx.ingress.kubernetes.io/ssl-redirect: "false"
 spec:
   rules: