diff --git a/docker-compose.yml b/docker-compose.yml
index baa1a443e..c77c7baaa 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -514,7 +514,7 @@ services:
             - acme
 
     netfilter-mailcow:
-      image: ghcr.io/mailcow/netfilter:1.65
+      image: ghcr.io/mailcow/netfilter:1.66
       stop_grace_period: 30s
       restart: always
       privileged: true