diff --git a/docker/Dockerfile b/docker/Dockerfile
index ae61cc1..e2a2ffd 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -118,7 +118,7 @@ COPY package.json /app
 COPY . ./app
 
 # install app dependencies
-RUN npm install
+RUN npm install --save
 RUN npm install react-scripts
 RUN npm install -g next
 RUN npm install sharp