diff --git a/docker-compose.yaml b/docker-compose.yaml
index 8a51101..338a4f8 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -5,7 +5,7 @@ services:
     network_mode: host
 
     volumes:
-      - /root/tests:/mnt/backup
+      - /root/tests:/mnt/backup:ro
 
     environment:
       PBS_SERVER: ${PBS_SERVER}