diff --git a/radicale/docker-compose.yml b/radicale/docker-compose.yml
index 18b1f9c..3c8f973 100644
--- a/radicale/docker-compose.yml
+++ b/radicale/docker-compose.yml
@@ -24,6 +24,7 @@ services:
       retries: 3
     volumes:
       - ${APPDATA_PATH}/radicale/data:/data
+      - ${APPDATA_PATH}/radicale/config:/config:ro
     ports:
       - ${PORT}:5232
     restart: unless-stopped