diff --git a/docker-compose.yml b/docker-compose.yml
index f09afca2a..7074a5e4f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -502,7 +502,7 @@ services:
             - acme
 
     netfilter-mailcow:
-      image: ghcr.io/mailcow/netfilter:1.63
+      image: ghcr.io/mailcow/netfilter:1.63a
       stop_grace_period: 30s
       restart: always
       privileged: true