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:
diff --git a/prombench/manifests/cluster-infra/8b_parca.yaml b/prombench/manifests/cluster-infra/8b_parca.yaml
index b9cc01e38..52fa379ad 100644
--- a/prombench/manifests/cluster-infra/8b_parca.yaml
+++ b/prombench/manifests/cluster-infra/8b_parca.yaml
@@ -125,7 +125,7 @@ kind: Ingress
 metadata:
   name: ingress-parca
   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/grafana_deployment.yaml b/prombench/manifests/cluster-infra/grafana_deployment.yaml
index dd7e620c0..446cd6fda 100644
--- a/prombench/manifests/cluster-infra/grafana_deployment.yaml
+++ b/prombench/manifests/cluster-infra/grafana_deployment.yaml
@@ -95,7 +95,7 @@ kind: Ingress
 metadata:
   name: ingress-grafana
   annotations:
-    kubernetes.io/ingress.class: "nginx"
+    spec.ingressClassName: "nginx"
     nginx.ingress.kubernetes.io/ssl-redirect: "false"
 spec:
   rules:
diff --git a/prombench/manifests/prombench/benchmark/5_nginx-ingress-routes.yaml b/prombench/manifests/prombench/benchmark/5_nginx-ingress-routes.yaml
index 64812efc7..f6bf96380 100644
--- a/prombench/manifests/prombench/benchmark/5_nginx-ingress-routes.yaml
+++ b/prombench/manifests/prombench/benchmark/5_nginx-ingress-routes.yaml
@@ -4,7 +4,7 @@ metadata:
   name: ingress-prometheus
   namespace: prombench-{{ .PR_NUMBER }}
   annotations:
-    kubernetes.io/ingress.class: "nginx"
+    spec.ingressClassName: "nginx"
     nginx.ingress.kubernetes.io/ssl-redirect: "false"
     nginx.ingress.kubernetes.io/proxy-connect-timeout: '605'
     nginx.ingress.kubernetes.io/proxy-send-timeout: '605'