diff --git a/omero-server/Chart.yaml b/omero-server/Chart.yaml
index f18c366..8633892 100644
--- a/omero-server/Chart.yaml
+++ b/omero-server/Chart.yaml
@@ -2,5 +2,5 @@ apiVersion: v1
 appVersion: 5.6.16-1
 description: OMERO.server
 name: omero-server
-version: 0.4.11
+version: 0.4.12
 icon: https://www.openmicroscopy.org/img/logos/omero-logomark.svg
diff --git a/omero-server/templates/ingress.yaml b/omero-server/templates/ingress.yaml
index 2a8a06a..9589cea 100644
--- a/omero-server/templates/ingress.yaml
+++ b/omero-server/templates/ingress.yaml
@@ -21,6 +21,9 @@ metadata:
 {{ toYaml . | indent 4 }}
 {{- end }}
 spec:
+{{- with .Values.ingress.className }}
+  ingressClassName: {{ . }}
+{{- end }}
 {{- if .Values.ingress.tls }}
   tls:
   {{- range .Values.ingress.tls }}
diff --git a/omero-server/values.yaml b/omero-server/values.yaml
index d1793c0..f03080a 100644
--- a/omero-server/values.yaml
+++ b/omero-server/values.yaml
@@ -66,9 +66,10 @@ service:
     enabled: true
     clientTimeout: 3600
 
-# Only used for omero websockets
+# Only used for omero websockets (not activated by default)
 ingress:
   enabled: false
+  # className: "nginx"
   annotations:
     {}
     # kubernetes.io/ingress.class: nginx
diff --git a/omero-web/templates/ingress.yaml b/omero-web/templates/ingress.yaml
index c57eb35..0b54279 100644
--- a/omero-web/templates/ingress.yaml
+++ b/omero-web/templates/ingress.yaml
@@ -16,6 +16,9 @@ metadata:
 {{ toYaml . | indent 4 }}
 {{- end }}
 spec:
+{{- with .Values.ingress.className }}
+  ingressClassName: {{ . }}
+{{- end }}
 {{- if .Values.ingress.tls }}
   tls:
   {{- range .Values.ingress.tls }}
diff --git a/omero-web/values.yaml b/omero-web/values.yaml
index 94752b8..08680a8 100644
--- a/omero-web/values.yaml
+++ b/omero-web/values.yaml
@@ -36,6 +36,7 @@ service:
 
 ingress:
   enabled: false
+  # className: "nginx"
   annotations:
     {}
     # kubernetes.io/ingress.class: nginx