diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index 05031590..d14562f3 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -17,6 +17,7 @@ jobs:
             - name: Setup pnpm
               uses: pnpm/action-setup@v4.0.0
               with:
+                  version: 9
                   run_install: true
             - name: Build Book
               run: |