diff --git a/.github/workflows/weekly_html_accessibility_check.yml b/.github/workflows/weekly_html_accessibility_check.yml
new file mode 100644
index 000000000..096f71aa1
--- /dev/null
+++ b/.github/workflows/weekly_html_accessibility_check.yml
@@ -0,0 +1,13 @@
+name: Weekly HTML Accessibility Check
+on:
+  schedule:
+    - cron: '0 4 * * 0' # 0400 UTC every Sunday
+  workflow_dispatch:
+
+jobs:
+  Scheduled:
+   uses: spacetelescope/notebook-ci-actions/.github/workflows/html_accessibility_check.yml@main
+   with:
+     target_url: https://spacetelescope.github.io/${{ github.event.repository.name }}/
+   secrets:
+     A11YWATCH_TOKEN: ${{ secrets.A11YWATCH_TOKEN }}