diff --git a/docker-compose-generator/docker-fragments/traefik.yml b/docker-compose-generator/docker-fragments/traefik.yml
index f1fd316..a42dadf 100644
--- a/docker-compose-generator/docker-fragments/traefik.yml
+++ b/docker-compose-generator/docker-fragments/traefik.yml
@@ -11,7 +11,7 @@ services:
     volumes:
       - "/var/run/docker.sock:/var/run/docker.sock"
       - "./traefik.toml:/traefik.toml"
-      - "./acme.json:/acme.json"
+      - "./acme.json:/acme.json:ro"
       - "./servers.toml:/servers.toml"
       - "./traefik_logs:/traefik_logs"