diff --git a/Dockerfile b/Dockerfile
index 4058c26..d96f1b4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG NPM_REGISTRY_URL=https://registry.npmjs.org
 WORKDIR /app
 
 COPY . .
-RUN npm config set registry $NPM_REGISTRY_URL && npm i -g pnpm@8
+RUN npm config set registry $NPM_REGISTRY_URL && npm i -g pnpm@8.1.1
 RUN pnpm i && pnpm build && pnpm postbuild
 
 # final image