diff --git a/stand/docker-compose.yml b/stand/docker-compose.yml
index 8213f8d..413f3d8 100644
--- a/stand/docker-compose.yml
+++ b/stand/docker-compose.yml
@@ -52,7 +52,7 @@ services:
 
   caddy:
     profiles: [prodlike]
-    image: caddy:2-alpine
+    image: caddy:2-alpine@sha256:d8542f48d34a9cf4e4c11a478865229840e87e4c96ea3f439101f31a5d35f75f
     environment:
       FIREFLY_DOMAIN: ":8080"
     volumes: