diff --git a/docker-compose.yml b/docker-compose.yml
index d9bad657..7c6c5d6a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -425,7 +425,7 @@ services:
             - acme
 
     netfilter-mailcow:
-      image: mailcow/netfilter:1.50
+      image: mailcow/netfilter:1.51
       stop_grace_period: 30s
       depends_on:
         - dovecot-mailcow