diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index d10a76f..82b68fa 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -37,6 +37,7 @@ jobs:
       - name: Install TeXLive
         run: |
           sudo apt-get install texlive-latex-recommended texlive-latex-extra texlive-fonts-recommended texlive-xetex latexmk
+          tlmgr install ctex
 
       - name: Build PDF documentaiton
         run: |