diff --git a/ansible/plays/services/watchtower/docker-compose.yaml b/ansible/plays/services/watchtower/docker-compose.yaml
index d7bfced..5656d31 100644
--- a/ansible/plays/services/watchtower/docker-compose.yaml
+++ b/ansible/plays/services/watchtower/docker-compose.yaml
@@ -38,7 +38,7 @@ services:
 
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
-      - /home/core/.docker:/config
+      - /home/core/.docker:/config:ro
     restart: always
     networks:
       - default