diff --git a/Machine-Backend/Dockerfile b/Machine-Backend/Dockerfile
index 7d4a887..d8faa83 100644
--- a/Machine-Backend/Dockerfile
+++ b/Machine-Backend/Dockerfile
@@ -5,7 +5,8 @@ FROM python:3.10-alpine AS builder
 WORKDIR /app
 
 # Install build dependencies
-RUN apk add --no-cache gcc musl-dev python3-dev mariadb-dev libffi-dev openssl-dev
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirror.kakao.com/g' /etc/apk/repositories \
+    && apk add --no-cache gcc musl-dev python3-dev mariadb-dev libffi-dev openssl-dev
 
 # Copy requirements and install
 COPY requirements.txt .