diff --git a/.github/workflows/build_page.yaml b/.github/workflows/build_page.yaml
index 91b28f2d..2d43f40a 100644
--- a/.github/workflows/build_page.yaml
+++ b/.github/workflows/build_page.yaml
@@ -35,4 +35,5 @@ jobs:
           destination: ./_site
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v2
-        retention-days: "1"
+        with:
+          retention-days: "1"