diff --git a/.github/workflows/test-sign.yaml b/.github/workflows/test-sign.yaml
index 6e8aa7b..646ca83 100644
--- a/.github/workflows/test-sign.yaml
+++ b/.github/workflows/test-sign.yaml
@@ -33,4 +33,6 @@ jobs:
       - name: add something to a file
         run:  echo $RANDOM > random.txt
       - name: push
-        run: git push
+        run: |
+          git add random.txt
+          git push