diff --git a/templates/image-server/nginx/helmrelease.yaml b/templates/image-server/nginx/helmrelease.yaml
index 2822a7e..24bd65c 100644
--- a/templates/image-server/nginx/helmrelease.yaml
+++ b/templates/image-server/nginx/helmrelease.yaml
@@ -9,7 +9,7 @@ spec:
   chart:
     spec:
       chart: nginx
-      version: 19.1.1
+      version: 21.0.3
       sourceRef:
         kind: HelmRepository
         name: bitnami
@@ -22,6 +22,7 @@ spec:
     ingress:
       enabled: true
       hostname: nginx.${TENANT_DOMAIN}.apps.ai-2.kvant.cloud
+      ingressClassName: external
     extraVolumes:
       - name: ${TENANT_NAMESPACE}-image-storage
         persistentVolumeClaim: