diff --git a/Dockerfile b/Dockerfile
index e70f0ba..ca2a792 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # build environment
-FROM node:lts-alpine
+FROM node:20.15.1-alpine3.20
 WORKDIR /app
 ENV PATH /app/node_modules/.bin:$PATH
 COPY client/package.json ./