diff --git a/components/openstack/mariadb-instance.yaml b/components/openstack/mariadb-instance.yaml
index 91536b08..25a021d6 100644
--- a/components/openstack/mariadb-instance.yaml
+++ b/components/openstack/mariadb-instance.yaml
@@ -43,5 +43,6 @@ spec:
     passwordSecretKeyRef:
       key: password
       name: mariadb-metrics-password
+      generate: true
     serviceMonitor: {}
     username: mariadb-metrics