diff --git a/.github/workflows/astro.yml b/.github/workflows/astro.yml
index 3e288e6..1335da7 100644
--- a/.github/workflows/astro.yml
+++ b/.github/workflows/astro.yml
@@ -34,6 +34,8 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: pnpm/action-setup@v2
+        with:
+          version: 9
       - uses: actions/setup-node@v3
         with:
           node-version-file: ".nvmrc"