diff --git a/docker-compose.yml b/docker-compose.yml
index 1b3e2a84..1393544f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -10,6 +10,9 @@ services:
 
   redis:
     image: redis:alpine
+    security_opt:
+      - no-new-privileges=true
+    read_only: true
 
   sqli:
     build: