diff --git a/.github/workflows/R-CMD-check.yml b/.github/workflows/R-CMD-check.yml
index 7aa18e1..b31ce63 100644
--- a/.github/workflows/R-CMD-check.yml
+++ b/.github/workflows/R-CMD-check.yml
@@ -61,6 +61,7 @@ jobs:
           install.packages('tinytex')
           tinytex::install_tinytex()
           tinytex::tlmgr_install('inconsolata')
+          tinytex::tlmgr_install('pdftex')
         shell: Rscript {0}
 
       - uses: r-lib/actions/setup-r-dependencies@v2