diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index e2bf564..cfa9a8d 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -35,7 +35,9 @@ jobs:
         run: make html
 
       - name: Install LaTeX
-        run: sudo apt-get install texlive-latex-recommended texlive-latex-extra texlive-fonts-recommended
+        run: |
+          sudo apt-get install texlive-latex-recommended texlive-latex-extra \
+            texlive-fonts-recommended latexmk
 
       #- name: Install TinyTeX
       #  uses: r-lib/actions/setup-tinytex@v1