diff --git a/.github/workflows/deep.yml b/.github/workflows/deep.yml
index 69f0080..2144888 100644
--- a/.github/workflows/deep.yml
+++ b/.github/workflows/deep.yml
@@ -9,6 +9,8 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: pnpm/action-setup@v4
+        with:
+          version: 9
       - run: pnpm install
       - uses: cloudflare/wrangler-action@v3
         with: