diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index a3ac618..eda9d7e 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -44,6 +44,8 @@ jobs:
           extra-packages: any::rcmdcheck
           needs: check
 
+      - uses: r-lib/actions/setup-tinytex@v2
+
       - uses: r-lib/actions/check-r-package@v2
         with:
           upload-snapshots: true