diff --git a/.github/workflows/pandoc.yml b/.github/workflows/pandoc.yml
index c8b12f7..69b4997 100644
--- a/.github/workflows/pandoc.yml
+++ b/.github/workflows/pandoc.yml
@@ -31,17 +31,19 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          ref: xacml-4.0-core-spec
       - name: Setup Pages
         uses: actions/configure-pages@v5
+      - name: Pandoc generation 
+        uses: docker://pandoc/core:3.0.1
+        with:
+          args: "-f gfm+definition_lists -t html xacml-v4.0-csd01.md -c https://docs.oasis-open.org/templates/css/markdown-styles-v1.7.3a.css --toc --toc-depth=5 -s -o xacml-v4.0-csd01.html --metadata title='eXtensible Access Control Markup Language (XACML) Version 4.0'" # gets appended to pandoc command
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
           # Upload entire repository
           path: '.'
-      - name: Pandoc generation 
-        uses: docker://pandoc/core:3.0.1
-        with:
-          args: "-f gfm+definition_lists -t html xacml-v4.0-csd01.md -c https://docs.oasis-open.org/templates/css/markdown-styles-v1.7.3a.css --toc --toc-depth=5 -s -o xacml-v4.0-csd01.html --metadata title='eXtensible Access Control Markup Language (XACML) Version 4.0'" # gets appended to pandoc command
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4