diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8eb6292f..6ce385ac 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -69,6 +69,12 @@ jobs:
         shell: bash -l {0}
         run: |
           jb build lectures --path-output ./ -n -W --keep-going
+      - name: Upload build folder
+        uses: actions/upload-artifact@v2
+        if: failure()
+        with:
+          name: _build
+          path: _build/
       - name: Upload Execution Reports
         uses: actions/upload-artifact@v2
         if: failure()