diff --git a/prometheus/values.yaml b/prometheus/values.yaml
index 9dc101b..cfd1d55 100644
--- a/prometheus/values.yaml
+++ b/prometheus/values.yaml
@@ -61,6 +61,7 @@ alertmanager:
     annotations:
       traefik.ingress.kubernetes.io/router.middlewares: traefik-basic-auth@kubernetescrd
   ingressPerReplica:
+    ingressClassName: traefik
     pathType: ImplementationSpecific
     paths:
       - /
@@ -105,6 +106,7 @@ prometheus:
     annotations:
       traefik.ingress.kubernetes.io/router.middlewares: traefik-basic-auth@kubernetescrd
   ingressPerReplica:
+    ingressClassName: traefik
     pathType: ImplementationSpecific
     paths:
       - /