diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index caf9d81..da91e3a 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -30,6 +30,7 @@ jobs:
           zip -r testreport.zip testreport
 
       - name: Attach coverage report to release assets
+        if: startsWith(github.ref, 'refs/tags/')
         uses: svenstaro/upload-release-action@v2
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}