diff --git a/Dockerfile b/Dockerfile
index 7f071bc..813b5b2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,7 +11,7 @@ RUN npm run build
 
 # Step 2
 ## base image for Step 2: Node 14-alpine(light weight)
-FROM node:14-alpine
+FROM node:18.20.3-alpine
 WORKDIR /app
 ## Step 1의 builder에서 build된 프로젝트를 가져온다
 COPY --from=builder /app ./