diff --git a/frontend/Dockerfile b/frontend/Dockerfile
index 56b0f9c..c871092 100644
--- a/frontend/Dockerfile
+++ b/frontend/Dockerfile
@@ -1,6 +1,6 @@
 FROM node:alpine
 
-RUN npm install -g elm elm-test
+RUN yarn global add elm elm-test
 
 COPY ./elm.json ./elm.json
 COPY ./src ./src