diff --git a/.github/workflows/jekyll-gh-pages.yml b/.github/workflows/jekyll-gh-pages.yml
index 2ec0bb5f..3ec3479f 100644
--- a/.github/workflows/jekyll-gh-pages.yml
+++ b/.github/workflows/jekyll-gh-pages.yml
@@ -33,8 +33,8 @@ jobs:
       - name: generate markdown files
         working-directory: ./man
         run: |
-          apt update
-          apt install pandoc perl
+          sudo apt update
+          sudo apt install -y pandoc
           bash ./scripts/generate_online_documentation.sh
       - name: Setup Pages
         uses: actions/configure-pages@v5