diff --git a/backend/Dockerfile b/backend/Dockerfile
index 60982a9..24af48d 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,5 +1,5 @@
 # use node 20 alpine image as build image
-FROM node:22-alpine@sha256:1e847ddc61d073787aaca688e2a6568d77688b4eae561c806efeb39617caa53f
+FROM node:22-alpine@sha256:ba898e86c2cc720c8cf2ae05f8d2d4697fe0c8ca3e920d6fbf14a6cbf50bb9ca
 
 # create work directory in app folder
 WORKDIR /app