diff --git a/.github/workflows/render.yaml b/.github/workflows/render.yaml
index 4da3b45..a4050ed 100644
--- a/.github/workflows/render.yaml
+++ b/.github/workflows/render.yaml
@@ -22,6 +22,9 @@ jobs:
       - uses: r-lib/actions/setup-pandoc@v2
       - uses: quarto-dev/quarto-actions/setup@v2
       - uses: r-lib/actions/setup-r@v2
+        with:
+          extra-repositories: https://community.r-multiverse.org
+          use-public-rspm: true
 
       - name: Install R package dependencies.
         run: install.packages(c("knitr", "rmarkdown"))