diff --git a/Dockerfile b/Dockerfile
index 512be29b..289592f6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 # 운영환경(main branch)에서 사용하는 Dockerfile
 
 # 1단계: build
-FROM node:18-alpine AS builder
+FROM node:20-alpine AS builder
 WORKDIR /app
 
 COPY . .
@@ -12,7 +12,7 @@ COPY .env .env
 RUN yarn install && yarn build
 
 # 2단계: production
-FROM node:18-alpine AS runner
+FROM node:20-alpine AS runner
 WORKDIR /app
 
 ENV NODE_ENV=production
diff --git a/Dockerfile.dev b/Dockerfile.dev
index d8e6b9b8..602260d3 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -1,7 +1,7 @@
 # 운영환경(main branch)에서 사용하는 Dockerfile
 
 # 1단계: build
-FROM node:18-alpine AS builder
+FROM node:20-alpine AS builder
 WORKDIR /app
 
 COPY . .
@@ -12,7 +12,7 @@ COPY .env .env
 RUN yarn install && yarn build
 
 # 2단계: production
-FROM node:18-alpine AS runner
+FROM node:20-alpine AS runner
 WORKDIR /app
 
 ENV NODE_ENV=production
diff --git a/Dockerfile.prod b/Dockerfile.prod
index d8e6b9b8..602260d3 100644
--- a/Dockerfile.prod
+++ b/Dockerfile.prod
@@ -1,7 +1,7 @@
 # 운영환경(main branch)에서 사용하는 Dockerfile
 
 # 1단계: build
-FROM node:18-alpine AS builder
+FROM node:20-alpine AS builder
 WORKDIR /app
 
 COPY . .
@@ -12,7 +12,7 @@ COPY .env .env
 RUN yarn install && yarn build
 
 # 2단계: production
-FROM node:18-alpine AS runner
+FROM node:20-alpine AS runner
 WORKDIR /app
 
 ENV NODE_ENV=production