diff --git a/cms/docker/Dockerfile b/cms/docker/Dockerfile
index cba5cc6..095b7f8 100644
--- a/cms/docker/Dockerfile
+++ b/cms/docker/Dockerfile
@@ -1,5 +1,5 @@
 # docker build . -t docker.frappet.com/demo/qualifying-exam-cms:latest
-FROM node:latest as build-stage
+FROM node:20-alpine as build-stage
 WORKDIR /app
 # optimize build speed by copy all .xx folder and 
 COPY *.json .