diff --git a/frontend/build/Dockerfile b/frontend/build/Dockerfile
index d50cb6b..0569c47 100644
--- a/frontend/build/Dockerfile
+++ b/frontend/build/Dockerfile
@@ -15,6 +15,7 @@ WORKDIR /app
 
 COPY --from=builder /app/.next ./.next
 COPY --from=builder /app/package.json ./package.json
+COPY --from=builder /app/package-lock.json ./package-lock.json
 COPY --from=builder /app/public ./public
 
 RUN npm install