diff --git a/templates/image-server/nginx/helmrelease.yaml b/templates/image-server/nginx/helmrelease.yaml
index 0937d41..6ffdf97 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: 21.0.4
       sourceRef:
         kind: HelmRepository
         name: bitnami