diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index d1de4fd..368b6e2 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -43,6 +43,14 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+      - uses: r-lib/actions/setup-tinytex@v2
+      - run: tlmgr --version
+
+      - name: Install additional LaTeX packages
+        run: |
+          tlmgr update --self
+          tlmgr install pdfpages
+          tlmgr list --only-installed
 
       - uses: r-lib/actions/setup-pandoc@v2