diff --git a/docker/Dockerfile b/docker/Dockerfile
index eead44c00f..a24ef8cae6 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,14 +1,14 @@
 # --------------------------------
 #  Build compiler
 # --------------------------------
-FROM mcr.microsoft.com/mirror/docker/library/node:18-alpine as builder
+FROM mcr.microsoft.com/mirror/docker/library/node:18-alpine AS builder
 
 RUN apk add --no-cache git
 COPY . /app
 
 WORKDIR /app
 ENV TYPESPEC_SKIP_VS_BUILD=1
-RUN corepack enable && corepack prepare
+RUN npm install -g corepack@latest && corepack enable && corepack prepare
 RUN pnpm install --frozen-lockfile
 RUN pnpm --filter "@typespec/compiler..." run build