diff --git a/docker-compose.yml b/docker-compose.yml
index 427a515c..e2f63c55 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,7 +13,7 @@ services:
             - pdns
 
     mysql-mailcow:
-      image: mysql:latest
+      image: mariadb:10.1
       depends_on:
         - pdns-mailcow
       command: mysqld