diff --git a/Dockerfile b/Dockerfile
index 2015581..bbb9a3c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,9 +1,9 @@
 FROM node:8-alpine
 RUN apk add --no-cache libc6-compat
-RUN apk add git && yarn
+RUN apk add --no-cache git
 WORKDIR /app
 COPY package.json /app
-RUN yarn install --frozen-lockfile
+RUN npm ci
 COPY . /app
 CMD npm run watch
 EXPOSE 8080
\ No newline at end of file