diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index e10e67a3..f213a128 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -22,3 +22,4 @@ jobs:
         token: ${{ secrets.GITHUB_TOKEN }}
         target_branch: 'gh-pages'
         jekyll_src: 'home'
+        pre_build_commands: npm install