diff --git a/docker/Dockerfile b/docker/Dockerfile
index 3263811d..bf598073 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -5,7 +5,9 @@ ENV PATH="$PNPM_HOME:$PATH"
 
 WORKDIR /website
 
-RUN corepack enable
+RUN npm install -g pnpm@11.20.0 \
+    --ignore-scripts --no-fund --no-update-notifier \
+    > /dev/null
 
 # Install dependencies first (cached unless manifests change)
 COPY package.json pnpm-lock.yaml /website/