diff --git a/Dockerfile b/Dockerfile
index 1372bb4c..986d50b3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,7 @@ WORKDIR /app
 # ENV PATH /usr/src/app/node_modules/.bin:$PATH
 
 COPY package.json /app/package.json
+COPY yarn.lock /app/yarn.lock
 
 RUN yarn