diff --git a/Dockerfile b/Dockerfile
index 04e2171a9..5b59bedec 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,9 +24,6 @@ FROM node:8
 # The App saves folders to the `os.homedir()` directory.
 ENV HOME=/home/
 
-# Upgrade yarn to v1
-RUN npm install -g yarn@1
-
 # Create app directory
 RUN mkdir -p /usr/src/app
 WORKDIR /usr/src/app