diff --git a/compose.mariadb.yml b/compose.mariadb.yml
index 74358fc..7928312 100644
--- a/compose.mariadb.yml
+++ b/compose.mariadb.yml
@@ -24,6 +24,7 @@ services:
       - MYSQL_PASSWORD_FILE=/run/secrets/db_password
       - MYSQL_USER=kuma
       - MYSQL_DATABASE=kuma
+      - MARIADB_AUTO_UPGRADE=1
     volumes:
       - mariadb:/var/lib/mysql
     networks: