diff --git a/templates/Nextcloud/0/docker-compose.yml b/templates/Nextcloud/0/docker-compose.yml
index 2b9eb8d..abc885a 100644
--- a/templates/Nextcloud/0/docker-compose.yml
+++ b/templates/Nextcloud/0/docker-compose.yml
@@ -23,6 +23,9 @@ services:
       traefik.frontend.rule: Host:${TRAEFIK_HOST}
       traefik.port: "80"
       traefik.frontend.entryPoints: http,https
+      traefik.frontend.headers.forceSTSHeader: true
+      traefik.frontend.headers.STSPreload: true
+      traefik.frontend.headers.STSSeconds: 15552000
       traefik.frontend.redirect.entryPoint: https
       traefik.frontend.redirect.permanent: true
       {{- else}}