diff --git a/get-started/02_our_app.md b/get-started/02_our_app.md
index ae66aa2955..4733d98205 100644
--- a/get-started/02_our_app.md
+++ b/get-started/02_our_app.md
@@ -45,7 +45,7 @@ see a few flaws in the Dockerfile below. But, don't worry. We'll go over them.
    ```dockerfile
    # syntax=docker/dockerfile:1
    FROM node:12-alpine
-   RUN apk add --no-cache python g++ make
+   RUN apk add --no-cache python3 g++ make
    WORKDIR /app
    COPY . .
    RUN yarn install --production