diff --git a/docker-compose/mail-relay/docker-compose.yml.j2 b/docker-compose/mail-relay/docker-compose.yml.j2
index 730addb7..61f8af49 100644
--- a/docker-compose/mail-relay/docker-compose.yml.j2
+++ b/docker-compose/mail-relay/docker-compose.yml.j2
@@ -1,7 +1,7 @@
 version: '3.3'
 services:
   postfix:
-    image: "registry.mgrote.net/postfix:v1.1.180@sha256:442141cc6eb4d9efda99e41f166a6d03c099bc4329ccb31b9843934d73c56adf"
+    image: "registry.mgrote.net/postfix:v1.1.183@sha256:2d58c8bde90f3babd7d11079f2e44f9a02fb2599f6fc507c423554d5dc72ea84"
     container_name: mail-relay
     restart: always
     ports: