diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
index 79562c5..ae9da41 100644
--- a/.github/workflows/pkgdown.yaml
+++ b/.github/workflows/pkgdown.yaml
@@ -18,7 +18,7 @@ jobs:
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - uses: r-lib/actions/setup-pandoc@v2
 
@@ -31,6 +31,10 @@ jobs:
           extra-packages: any::pkgdown, ohdsi/OhdsiRTools, local::.
           needs: website
 
+      - uses: lycheeverse/lychee-action@v2
+        with:
+          args: --base . --verbose --no-progress --accept '100..=103, 200..=299, 403' './**/*.md' './**/*.Rmd'
+
       - name: Build site
         run: Rscript -e 'pkgdown::build_site_github_pages(new_process = FALSE)'