diff --git a/docker-compose.yml b/docker-compose.yml
index 948f4f22..cde626d9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -195,7 +195,7 @@ services:
             - sogo
 
     dovecot-mailcow:
-      image: mailcow/dovecot:1.139
+      image: mailcow/dovecot:1.140
       depends_on:
         - mysql-mailcow
       dns: