diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index db6dabf7..47c6233c 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -43,7 +43,7 @@ jobs:
         uses: withastro/action@v5
         with:
           path: ./langingpage
-          package-manager: pnpm@latest
+          package-manager: pnpm@9
           node-version: 22
         env:
           # Firebase config from GitHub secrets