diff --git a/deployments/prebuilt-debian/Dockerfile b/deployments/prebuilt-debian/Dockerfile
index b51e1d9c4..cf5ae07a7 100644
--- a/deployments/prebuilt-debian/Dockerfile
+++ b/deployments/prebuilt-debian/Dockerfile
@@ -2,5 +2,6 @@ FROM node:24.16.0-trixie AS base
 WORKDIR /app
 COPY package.json .
 COPY pnpm-lock.yaml .
+COPY pnpm-workspace.yaml .
 RUN corepack enable pnpm && pnpm install --frozen-lockfile
 CMD ["sleep", "60s"]
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