diff --git a/kubernetes/apps/default/smtp-relay/app/helmrelease.yaml b/kubernetes/apps/default/smtp-relay/app/helmrelease.yaml
index 711f87646..a66d0e647 100644
--- a/kubernetes/apps/default/smtp-relay/app/helmrelease.yaml
+++ b/kubernetes/apps/default/smtp-relay/app/helmrelease.yaml
@@ -34,7 +34,7 @@ spec:
         reloader.stakater.com/auto: "true"
     image:
       repository: ghcr.io/foxcpp/maddy
-      tag: 0.6.2
+      tag: 0.6.3
     env:
       DEBUG: "true"
       SMTP_DOMAIN: "${SECRET_DOMAIN}"