diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index a25b969a8..29fbef5b9 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -107,4 +107,4 @@ jobs:
           name: "Echidna ${{ needs.nixBuild.outputs.version }}"
           files: |
             ./echidna-*.tar.gz
-            ./echidna-*.tar.gz.sigstore
+            ./echidna-*.tar.gz.sigstore.json