diff --git a/charts/ingress-nginx/templates/controller-service-internal.yaml b/charts/ingress-nginx/templates/controller-service-internal.yaml
index 0bb966127..09c942eb2 100644
--- a/charts/ingress-nginx/templates/controller-service-internal.yaml
+++ b/charts/ingress-nginx/templates/controller-service-internal.yaml
@@ -32,6 +32,9 @@ spec:
       port: {{ .Values.controller.service.ports.http }}
       protocol: TCP
       targetPort: {{ .Values.controller.service.targetPorts.http }}
+    {{- if semverCompare ">=1.20" .Capabilities.KubeVersion.Version }}
+      appProtocol: http
+    {{- end }}
     {{- if (and $setNodePorts (not (empty .Values.controller.service.nodePorts.http))) }}
       nodePort: {{ .Values.controller.service.nodePorts.http }}
     {{- end }}
@@ -41,6 +44,9 @@ spec:
       port: {{ .Values.controller.service.ports.https }}
       protocol: TCP
       targetPort: {{ .Values.controller.service.targetPorts.https }}
+    {{- if semverCompare ">=1.20" .Capabilities.KubeVersion.Version }}
+      appProtocol: https
+    {{- end }}
     {{- if (and $setNodePorts (not (empty .Values.controller.service.nodePorts.https))) }}
       nodePort: {{ .Values.controller.service.nodePorts.https }}
     {{- end }}
diff --git a/charts/ingress-nginx/templates/controller-service-webhook.yaml b/charts/ingress-nginx/templates/controller-service-webhook.yaml
index 228cb59d8..ae3b1fc92 100644
--- a/charts/ingress-nginx/templates/controller-service-webhook.yaml
+++ b/charts/ingress-nginx/templates/controller-service-webhook.yaml
@@ -28,6 +28,9 @@ spec:
     - name: https-webhook
       port: 443
       targetPort: webhook
+    {{- if semverCompare ">=1.20" .Capabilities.KubeVersion.Version }}
+      appProtocol: https
+    {{- end }}
   selector:
     {{- include "ingress-nginx.selectorLabels" . | nindent 4 }}
     app.kubernetes.io/component: controller
diff --git a/charts/ingress-nginx/templates/controller-service.yaml b/charts/ingress-nginx/templates/controller-service.yaml
index 908291cff..924881845 100644
--- a/charts/ingress-nginx/templates/controller-service.yaml
+++ b/charts/ingress-nginx/templates/controller-service.yaml
@@ -44,6 +44,9 @@ spec:
       port: {{ .Values.controller.service.ports.http }}
       protocol: TCP
       targetPort: {{ .Values.controller.service.targetPorts.http }}
+    {{- if semverCompare ">=1.20" .Capabilities.KubeVersion.Version }}
+      appProtocol: http
+    {{- end }}
     {{- if (and $setNodePorts (not (empty .Values.controller.service.nodePorts.http))) }}
       nodePort: {{ .Values.controller.service.nodePorts.http }}
     {{- end }}
@@ -53,6 +56,9 @@ spec:
       port: {{ .Values.controller.service.ports.https }}
       protocol: TCP
       targetPort: {{ .Values.controller.service.targetPorts.https }}
+    {{- if semverCompare ">=1.20" .Capabilities.KubeVersion.Version }}
+      appProtocol: https
+    {{- end }}
     {{- if (and $setNodePorts (not (empty .Values.controller.service.nodePorts.https))) }}
       nodePort: {{ .Values.controller.service.nodePorts.https }}
     {{- end }}
diff --git a/charts/ingress-nginx/templates/default-backend-service.yaml b/charts/ingress-nginx/templates/default-backend-service.yaml
index 7624ab36c..f59eb1e7c 100644
--- a/charts/ingress-nginx/templates/default-backend-service.yaml
+++ b/charts/ingress-nginx/templates/default-backend-service.yaml
@@ -29,6 +29,9 @@ spec:
       port: {{ .Values.defaultBackend.service.servicePort }}
       protocol: TCP
       targetPort: http
+    {{- if semverCompare ">=1.20" .Capabilities.KubeVersion.Version }}
+      appProtocol: http
+    {{- end }}
   selector:
     {{- include "ingress-nginx.selectorLabels" . | nindent 4 }}
     app.kubernetes.io/component: default-backend