diff --git a/.github/workflows/build_testing.yml b/.github/workflows/build_testing.yml
index f1c0a7e8bb..4dc4a11f73 100644
--- a/.github/workflows/build_testing.yml
+++ b/.github/workflows/build_testing.yml
@@ -151,6 +151,17 @@ jobs:
      - name: install dependencies
        run: tools/ci/install_doc_dependencies.sh
 
+     - name: build docs
+       run: |
+         cd doc
+         make clean latex
+
+     - name: Upload tex source
+       uses: actions/upload-artifact@v4
+       with:
+         name: latex-source
+         path: doc/_build/latex
+
      - name: build docs
        run: |
          cd doc