diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index c0a91be..431220b 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -71,7 +71,7 @@ jobs:
         run: |
           remotes::install_deps(dependencies = TRUE)
           remotes::install_cran("rcmdcheck")
-          tinytex::tlmgr_install(c("ae", "mathtools"))
+          tinytex::tlmgr_install(c("ae", "mathtools", "microtype", "tikz"))
         shell: Rscript {0}
 
       - name: Session info