diff --git a/.github/workflows/publish_features.yml b/.github/workflows/publish_features.yml
index 3ab6b3b..125c66f 100644
--- a/.github/workflows/publish_features.yml
+++ b/.github/workflows/publish_features.yml
@@ -42,7 +42,7 @@ jobs:
         with:
           upload_url: ${{ steps.create_release.outputs.upload_url }}
           asset_path: release/unipept-index.tar.gz
-          asset_name: unipept-index-${{ env.version }}.tar.gz
+          asset_name: unipept-index-${{ env.version }}.tgz
           asset_content_type: application/gzip
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}