diff --git a/src/git_utils.py b/src/git_utils.py
index 2489c6b..b520b22 100644
--- a/src/git_utils.py
+++ b/src/git_utils.py
@@ -489,6 +489,11 @@ def push_changes_with_authentication(
     if branch_name is None:
         branch_name = repo.active_branch.name
 
+    # Amend the last commit to append the bot signature
+    repo.git.commit('--amend', '--no-edit', '--allow-empty-message',
+                    '--author="blech-bot <blechbot1@gmail.com>"',
+                    '--message="Co-authored-by: blech-bot <blechbot1@gmail.com>"')
+
     remote = repo.remote(name='origin')
     repo_url = remote.url
     try: