diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index fb0d3c9..4dd8f1a 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -154,6 +154,7 @@ jobs:
           ARCHIVE_PATH: ${{ env.ARCHIVE_DIR }}/${{ env.ARCHIVE }}
         shell: bash
         run: |
+          echo "debug: length = $(echo -n {{ secrets.MINISIGN_KEY }} | wc -c)"
           echo "{{ secrets.MINISIGN_KEY }}" > minisign.key
           
           ts=$(node -e 'console.log((new Date).toISOString())')