diff --git a/app/Dockerfile b/app/Dockerfile
index c349d91..0ba0819 100644
--- a/app/Dockerfile
+++ b/app/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20-alpine3.17 as build
+FROM node:21-alpine3.17 as build
 
 RUN apk update && apk upgrade