diff --git a/docker-compose.yml b/docker-compose.yml
index c7337e6f..f81f5232 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -247,7 +247,7 @@ services:
             - dovecot
 
     postfix-mailcow:
-      image: mailcow/postfix:1.47
+      image: mailcow/postfix:1.48
       depends_on:
         - mysql-mailcow
       volumes: