diff --git a/Dockerfile b/Dockerfile
index 265e97a..ae51f2e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,14 @@
 FROM node:22-alpine as builder
 
+ENV CI=true
+
 WORKDIR /usr/src/app
 
 COPY . .
 
-RUN npm install pnpm -g
+RUN npm install pnpm@9 -g && rm -f pnpm-lock.yaml
 
-RUN pnpm install
+RUN pnpm install --no-frozen-lockfile
 
 RUN pnpm build