diff --git a/.test/Dockerfile b/.test/Dockerfile
index 659b0feaff1488ae123a9d4e33c678a1f0d20ded..22d93cab51ff1d7f063a6b6b2430372c6c2affd7 100644
--- a/.test/Dockerfile
+++ b/.test/Dockerfile
@@ -1,6 +1,7 @@
 FROM node:lts-alpine
 
 COPY ./package.json /webui/package.json
+COPY ./package-lock.json /webui/package-lock.json
 
 WORKDIR /webui