diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 58c6f04bdc..d1e9c6a575 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -178,10 +178,10 @@ jobs:
           mkdir pack
           # high-compression tar.zst + zip for release, fast tar.zst otherwise
           if [[ '${{ startsWith(github.ref, 'refs/tags/v') && matrix.release }}' == true || -n '${{ needs.set-nightly.outputs.nightly }}' ]]; then
-            tar cf - $dir | zstd -T0 --no-progress -19 -o pack/$dir.tar.zst
+            tar --format=v7 -cf - $dir | zstd -T0 --no-progress -19 -o pack/$dir.tar.zst
             zip -rq pack/$dir.zip $dir
           else
-            tar cf - $dir | zstd -T0 --no-progress -o pack/$dir.tar.zst
+            tar --format=v7 -cf - $dir | zstd -T0 --no-progress -o pack/$dir.tar.zst
           fi
       - uses: actions/upload-artifact@v2
         if: matrix.release