diff --git a/docker-compose.yml b/docker-compose.yml
index f53b54c4..48805b84 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -2,7 +2,7 @@ version: '2.1'
 services:
 
     unbound-mailcow:
-      image: mailcow/unbound:1.17
+      image: mailcow/unbound:1.18
       environment:
         - TZ=${TZ}
       volumes: