diff --git a/Dockerfile b/Dockerfile
index 1f1f2b4..00d629a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 FROM node:22-slim AS build
 
 WORKDIR /app
-RUN corepack enable && corepack prepare pnpm@latest --activate
+RUN corepack enable && corepack prepare pnpm@9 --activate
 
 # Copy package files
 COPY package.json pnpm-lock.yaml ./