diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 28ab5aa..7c9bfea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -42,6 +42,7 @@ jobs:
 
     - name: Upload rendered files
       uses: actions/upload-artifact@v4
+      if: strategy.job-index == 0
       with:
         name: rendering-results
         path: tests/out/test_*_render*