diff --git a/Dockerfile b/Dockerfile
index f13f99c..62dd265 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-ARG tag=18-alpine
+ARG tag=16-alpine
 FROM node:${tag}
-RUN yarn global add pm2
+RUN npm i -g pm2
 RUN pm2 install typescript
\ No newline at end of file