diff --git a/charts/matrix-synapse/values.yaml b/charts/matrix-synapse/values.yaml
index f1ea017..95da9e7 100644
--- a/charts/matrix-synapse/values.yaml
+++ b/charts/matrix-synapse/values.yaml
@@ -713,3 +713,7 @@ ingress:
   #    hosts:
   #      - example.com
   #      - matrix.example.com
+
+  ## Set the name of the IngressClass cluster resource (optional)
+  ## https://kubernetes.io/docs/reference/kubernetes-api/service-resources/ingress-v1/#IngressSpec
+  #className: can-be-anything