diff --git a/.github/workflows/jekyll-gh-pages.yml b/.github/workflows/jekyll-gh-pages.yml
index 0d997cc..5758ad8 100644
--- a/.github/workflows/jekyll-gh-pages.yml
+++ b/.github/workflows/jekyll-gh-pages.yml
@@ -29,6 +29,8 @@ jobs:
         with:
           source: ./
           destination: ./_site
+      - name: Modify Permissions
+        run: chmod -R u+rwX,go+rX,go-w ./_site
       - name: Insert JS snippet
         run: |
           find ./_site -name '*.html' -exec sed -i 's|</body>|<script>document.addEventListener("DOMContentLoaded", function() {const links = document.querySelectorAll("a[href^=\\"./exams/\\"]");links.forEach(link => {const code = link.getAttribute("href").slice(8);link.href = `https://github.com/skipgu/past-exams/tree/main/exams/${code}`;});});</script>\n</body>|g' {} +