diff --git a/backend/src/build/build.service.ts b/backend/src/build/build.service.ts
index 94f3d3f..7b916a8 100644
--- a/backend/src/build/build.service.ts
+++ b/backend/src/build/build.service.ts
@@ -293,7 +293,7 @@ export class BuildService {
 FROM node:20-alpine AS builder
 WORKDIR /app
 COPY package*.json ./
-RUN if [ -f package-lock.json ]; then npm ci; else npm install; fi && npm cache clean --force
+RUN npm install --legacy-peer-deps && npm cache clean --force
 COPY . .
 
 # Auto-detect Next.js and enable standalone output