diff --git a/Dockerfile b/Dockerfile
index c46b4a6..d506992 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # build environment
-FROM node:14-alpine as build
+FROM node:18-alpine as build
 WORKDIR /app
 COPY package.json yarn.lock ./
 RUN yarn install --frozen-lockfile