diff --git a/Dockerfile b/Dockerfile
index 040fcf4..ed0c3ff 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,10 +17,12 @@ RUN npm run build
 FROM node:lts-slim as prod
 WORKDIR /app
 
+RUN corepack enable pnpm
+
 COPY --from=build /app/dist /app/dist
 COPY --from=build /app/package.json /app/package.json
 COPY --from=build /app/pnpm-lock.yaml /app/pnpm-lock.yaml
-RUN pnpm install
+RUN pnpm install --frozen-lockfile
 
 EXPOSE 4321