diff --git a/docker-compose.yml b/docker-compose.yml
index cce6f567..023a5d01 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -192,7 +192,7 @@ services:
             - sogo
 
     dovecot-mailcow:
-      image: mailcow/dovecot:1.134
+      image: mailcow/dovecot:1.135
       depends_on:
         - mysql-mailcow
       dns: