diff --git a/backend/Dockerfile b/backend/Dockerfile
index e86b1b9..23d9a35 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,5 +1,5 @@
 # use node 20 alpine image as build image
-FROM node:23-alpine@sha256:5fa65b6bf6be7103c73159c0dddcfd9de5e49c3465d75656ef41e43cece968de
+FROM node:23-alpine@sha256:b404b0504b0e95ed3610bd33cc1e929baa8f89fe08f8e2666b5d82f2308bc8c2
 
 # create work directory in app folder
 WORKDIR /app