diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5eae4eeac3..5909b34620 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -102,6 +102,8 @@ jobs:
     - name: Gradle Upload to GitHub packages
       uses: eskatos/gradle-command-action@v1
       if: startsWith(github.ref, 'refs/tags/v')
+      env:
+        PGP_SIGNING_KEY: ${{ secrets.PGP_SIGNING_KEY }}
       with:
         arguments: ":test_runner:publishMavenJavaPublicationToGitHubPackagesRepository -PGITHUB_TOKEN=${{ secrets.GITHUB_TOKEN }}"