diff --git a/src/frontend/Dockerfile b/src/frontend/Dockerfile
index 0f8c00e..461ac43 100644
--- a/src/frontend/Dockerfile
+++ b/src/frontend/Dockerfile
@@ -8,7 +8,7 @@ RUN npm run build
 FROM node:22-slim
 WORKDIR /app
 COPY --from=build /app/build .
-COPY --from=build /app/package.json .
+COPY --from=build /app/package.json /app/package-lock.json ./
 RUN npm ci --omit=dev
 EXPOSE 3000
 ENV PORT=3000