diff --git a/Dockerfile b/Dockerfile
index 32131fb..5ac1997 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,7 +32,7 @@ RUN set -ex; \
     rm -rf /var/lib/apt/lists/*;
 
 RUN mkdir -p /usr/src/app
-COPY package.json package-lock.json /usr/src/app
+COPY package.json /usr/src/app
 
 RUN cd /usr/src/app && npm install --production