diff --git a/docker-compose.yml b/docker-compose.yml
index 0245af8b..db070fa3 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -210,7 +210,7 @@ services:
             - sogo
 
     dovecot-mailcow:
-      image: mailcow/dovecot:1.154
+      image: mailcow/dovecot:1.155
       depends_on:
         - mysql-mailcow
       dns: