diff --git a/README.md b/README.md
index 9fef8c887..4ff5a9dba 100644
--- a/README.md
+++ b/README.md
@@ -155,7 +155,7 @@ Note: Upstart/SysV init based OS types are not supported.
 - Application
   - [cert-manager](https://github.com/jetstack/cert-manager) v1.9.1
   - [coredns](https://github.com/coredns/coredns) v1.8.6
-  - [ingress-nginx](https://github.com/kubernetes/ingress-nginx) v1.3.1
+  - [ingress-nginx](https://github.com/kubernetes/ingress-nginx) v1.4.0
   - [krew](https://github.com/kubernetes-sigs/krew) v0.4.3
   - [argocd](https://argoproj.github.io/) v2.4.12
   - [helm](https://helm.sh/) v3.9.4
diff --git a/roles/download/defaults/main.yml b/roles/download/defaults/main.yml
index 786758a8b..ed3b03dd6 100644
--- a/roles/download/defaults/main.yml
+++ b/roles/download/defaults/main.yml
@@ -937,7 +937,7 @@ local_path_provisioner_version: "v0.0.22"
 local_path_provisioner_image_repo: "{{ docker_image_repo }}/rancher/local-path-provisioner"
 local_path_provisioner_image_tag: "{{ local_path_provisioner_version }}"
 ingress_nginx_controller_image_repo: "{{ kube_image_repo }}/ingress-nginx/controller"
-ingress_nginx_controller_image_tag: "v1.3.1"
+ingress_nginx_controller_image_tag: "v1.4.0"
 ingress_nginx_kube_webhook_certgen_imae_repo: "{{ kube_image_repo }}/ingress-nginx/kube-webhook-certgen"
 ingress_nginx_kube_webhook_certgen_imae_tag: "v1.3.0"
 alb_ingress_image_repo: "{{ docker_image_repo }}/amazon/aws-alb-ingress-controller"
diff --git a/roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/clusterrole-ingress-nginx.yml.j2 b/roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/clusterrole-ingress-nginx.yml.j2
index 80d25df5a..767502eae 100644
--- a/roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/clusterrole-ingress-nginx.yml.j2
+++ b/roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/clusterrole-ingress-nginx.yml.j2
@@ -31,3 +31,6 @@ rules:
   - apiGroups: ["coordination.k8s.io"]
     resources: ["leases"]
     verbs: ["list", "watch"]
+  - apiGroups: ["discovery.k8s.io"]
+    resources: ["endpointslices"]
+    verbs: ["get", "list", "watch"]
diff --git a/roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/role-ingress-nginx.yml.j2 b/roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/role-ingress-nginx.yml.j2
index ee81b3338..58c0488f8 100644
--- a/roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/role-ingress-nginx.yml.j2
+++ b/roles/kubernetes-apps/ingress_controller/ingress_nginx/templates/role-ingress-nginx.yml.j2
@@ -63,3 +63,6 @@ rules:
   - apiGroups: ["coordination.k8s.io"]
     resources: ["leases"]
     verbs: ["create"]
+  - apiGroups: ["discovery.k8s.io"]
+    resources: ["endpointslices"]
+    verbs: ["get", "list", "watch"]