diff --git a/.github/workflows/check-bioc.yml b/.github/workflows/check-bioc.yml
index 46289b2..141b996 100644
--- a/.github/workflows/check-bioc.yml
+++ b/.github/workflows/check-bioc.yml
@@ -261,7 +261,10 @@ jobs:
 
       - name: Build pkgdown site
         if: github.ref == 'refs/heads/master' && env.run_pkgdown == 'true' && runner.os == 'Linux'
-        run: pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
+        run: |
+            install.packages("htmltools")
+            install.packages("markdown")
+            pkgdown::build_site_github_pages(new_process = FALSE, install = FALSE)
         shell: Rscript {0}
         ## Note that you need to run pkgdown::deploy_to_branch(new_process = FALSE)
         ## at least one locally before this will work. This creates the gh-pages