diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index e2818595..27b97b41 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -3,7 +3,7 @@ FROM node:20-bookworm-slim AS builder
 WORKDIR /app
 
 # nur Manifeste kopieren
-COPY package.json package-lock.json ./
+COPY package.json ./
 
 # npm robuster machen (optional, aber hilft)
 RUN npm i -g npm@9