diff --git a/modules/kubernetes/mailserver/main.tf b/modules/kubernetes/mailserver/main.tf
index dada3a6e..48b5114e 100644
--- a/modules/kubernetes/mailserver/main.tf
+++ b/modules/kubernetes/mailserver/main.tf
@@ -151,7 +151,7 @@ resource "kubernetes_deployment" "mailserver" {
       spec {
         container {
           name              = "docker-mailserver"
-          image             = "docker.io/mailserver/docker-mailserver:13.3.1"
+          image             = "docker.io/mailserver/docker-mailserver:14.0.0"
           image_pull_policy = "IfNotPresent"
           security_context {
             capabilities {
diff --git a/modules/kubernetes/nginx-ingress/main.tf b/modules/kubernetes/nginx-ingress/main.tf
index 00000b9a..cecf19a8 100644
--- a/modules/kubernetes/nginx-ingress/main.tf
+++ b/modules/kubernetes/nginx-ingress/main.tf
@@ -411,6 +411,7 @@ resource "kubernetes_deployment" "ingress_nginx_controller" {
     }
   }
   spec {
+    replicas = 1
     selector {
       match_labels = {
         "app.kubernetes.io/component" = "controller"