diff --git a/docker-compose.yml b/docker-compose.yml
index 5970ca8d..2edbd8d4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -162,7 +162,7 @@ services:
             - sogo
 
     dovecot-mailcow:
-      image: mailcow/dovecot:1.49
+      image: mailcow/dovecot:1.51
       build: ./data/Dockerfiles/dovecot
       cap_add:
         - NET_BIND_SERVICE