diff --git a/.gitea/workflows/md-to-pdf.yml b/.gitea/workflows/md-to-pdf.yml
index 2e6b8b2..54cbae5 100644
--- a/.gitea/workflows/md-to-pdf.yml
+++ b/.gitea/workflows/md-to-pdf.yml
@@ -14,6 +14,7 @@ jobs:
 
       - name: Install Pandoc and basic LaTeX
         run: |
+          sudo apt-get update
           sudo apt-get install -y pandoc
           sudo apt-get install -y texlive-xetex texlive-fonts-recommended texlive-fonts-extra texlive-latex-extra texlive-latex-recommended