diff --git a/.github/workflows/release-plz.yml b/.github/workflows/release-plz.yml
index 402d62138..3482b9b7b 100644
--- a/.github/workflows/release-plz.yml
+++ b/.github/workflows/release-plz.yml
@@ -30,5 +30,6 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.RELEASE_PLZ_PAT }}
           CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
       - uses: actions/attest-build-provenance@v1
+        if: ${{ steps.release-plz.outputs.releases_created }}
         with:
           subject-path: ${{ github.workspace }}/target/release/libzip.rlib