diff --git a/ccp/docker-compose.yml b/ccp/docker-compose.yml
index 65343d6..d78a842 100644
--- a/ccp/docker-compose.yml
+++ b/ccp/docker-compose.yml
@@ -25,8 +25,8 @@ services:
       - 80:80
       - 443:443
     volumes:
-      - ../certs:/tools/certs
-      - ../lib/traefik-configuration/:/configuration
+      - ../certs:/tools/certs:ro
+      - ../lib/traefik-configuration/:/configuration:ro
       - /var/run/docker.sock:/var/run/docker.sock:ro
 
   forward_proxy: