diff --git a/api/Dockerfile.admin b/api/Dockerfile.admin
index be2a734..539b859 100644
--- a/api/Dockerfile.admin
+++ b/api/Dockerfile.admin
@@ -4,6 +4,7 @@
 # Stage 1: build the admin SPA.
 FROM node:22-alpine AS web
 WORKDIR /web
+ENV npm_config_registry=https://registry.npmmirror.com
 COPY admin-frontend/package.json admin-frontend/package-lock.json* ./
 RUN npm ci || npm install
 COPY admin-frontend/ ./