diff --git a/.github/workflows/website.yml b/.github/workflows/website.yml
index 011ec6c..42fb9fb 100644
--- a/.github/workflows/website.yml
+++ b/.github/workflows/website.yml
@@ -18,7 +18,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Install Pandoc and LaTeX
-        run: sudo apt install -y pandoc texlive-latex-recommended
+        run: sudo apt install -y pandoc texlive-latex-recommended texlive-latex-extra
 
       - name: Compile Document
         run: ./script/docstopdf.sh