diff --git a/cpn-n8n/docker-compose.yml b/cpn-n8n/docker-compose.yml
index d973ffc..b9b416e 100644
--- a/cpn-n8n/docker-compose.yml
+++ b/cpn-n8n/docker-compose.yml
@@ -8,7 +8,7 @@ services:
     container_name: cpn-n8n_app_proxy_1
   server:
     image: >-
-      n8nio/n8n:1.121.3
+      n8nio/n8n:1.121.3@sha256:4f717fcf41f5ea596757173a60ce038707e4edf2c686e9934ae75cd5f5918d73
     restart: on-failure
     volumes:
       - ${APP_DATA_DIR}/data:/home/node/.n8n