diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index de98e9c..58270b2 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -16,6 +16,9 @@ jobs:
       - name: Publish artifact
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GPG_KEY_ID: ${{ secrets.GPG_KEY_ID }}
+          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
+          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
         # The GITHUB_REF tag comes in the format 'refs/tags/xxx'.
         # So if we split on '/' and take the 3rd value, we can get the release name.
         run: |